Top 100 Scientists

Africa Others Top 100 Scientists 2024

The ranking of “Top 100” scientists is based on total h-index scores. Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, EECA, BRICS, and COMESA based on total h-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, and Social Sciences. According to Total H. BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (829,221 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects. 

* Rankings
World Rank
2,038
Country Rank
6
Institution Rank : 1
South Africa
Timothy D Noakes
Running
Nutrition
Exercise Physiology
Insulin Resistance
Diabetes
Metrics
H-Index
i10 Index
Citation
144
544
63,972
* Rankings
World Rank
2,371
Country Rank
1
Institution Rank : 1
Kenya
Robert W Snow
Malaria
Africa
Metrics
H-Index
i10 Index
Citation
139
432
68,570
* Rankings
World Rank
8,853
Country Rank
10
Institution Rank : 3
Egypt
Elsayed Salama
Metrics
H-Index
i10 Index
Citation
99
247
37,436
* Rankings
World Rank
8,903
Country Rank
23
Institution Rank : 9
South Africa
Bongani M Mayosi
Medicine
Metrics
H-Index
i10 Index
Citation
99
291
129,552
* Rankings
World Rank
9,910
Country Rank
2
Institution Rank : 1
Nigeria
Shafiu Mohammed
Global Health
Health Systems and Policy
Health Economics
Epidemiology
Metrics
H-Index
i10 Index
Citation
98
160
150,152
* Rankings
World Rank
12,849
Country Rank
32
Institution Rank : 1
South Africa
Lynn Morris
Vaccines
Metrics
H-Index
i10 Index
Citation
90
258
32,259
* Rankings
World Rank
13,703
Country Rank
36
Institution Rank : 1
South Africa
Suprakas Sinha Ray
Polymer Physics and Polymer Nanocomposites
Metrics
H-Index
i10 Index
Citation
88
377
39,648
* Rankings
World Rank
14,377
Country Rank
39
Institution Rank : 1
South Africa
Willem Hanekom
Tuberculosis
Vaccinology
Immunology
Clinical Trials
Metrics
H-Index
i10 Index
Citation
87
227
25,556
* Rankings
World Rank
14,383
Country Rank
3
Institution Rank : 2
Uganda
Moses R Kamya|Moses Kamya, M. Kamya
Professor of Medicine
Metrics
H-Index
i10 Index
Citation
87
442
26,054
* Rankings
World Rank
17,182
Country Rank
52
Institution Rank : 1
South Africa
Gavin Churchyard
Tuberculosis
HIV/AIDS
Metrics
H-Index
i10 Index
Citation
83
248
24,754
* Rankings
World Rank
20,745
Country Rank
21
Institution Rank : 1
Egypt
ايمان مصطفي محمد جفلان
المكتبات والوثائق والمعلومات
Metrics
H-Index
i10 Index
Citation
78
173
58,654
* Rankings
World Rank
24,359
Country Rank
74
Institution Rank : 2
South Africa
Debbie Bradshaw
Metrics
H-Index
i10 Index
Citation
75
223
24,602
* Rankings
World Rank
27,591
Country Rank
80
Institution Rank : 13
South Africa
Wendy Stevens|Stevens Wendy S, Stevens W, StevensW.S.
HIV TB COVID HAEMATOLOFY
Metrics
H-Index
i10 Index
Citation
72
231
24,038
* Rankings
World Rank
28,533
Country Rank
5
Institution Rank : 2
Kenya
Mark Van Wijk
Metrics
H-Index
i10 Index
Citation
71
140
15,725
* Rankings
World Rank
29,699
Country Rank
86
Institution Rank : 2
South Africa
Cheryl Cohen
Metrics
H-Index
i10 Index
Citation
70
222
24,514
* Rankings
World Rank
31,772
Country Rank
95
Institution Rank : 5
South Africa
Donald Kurtz
Metrics
H-Index
i10 Index
Citation
69
269
18,202
* Rankings
World Rank
35,378
Country Rank
108
Institution Rank : 7
South Africa
Onisimo Mutanga
Metrics
H-Index
i10 Index
Citation
66
243
18,566
* Rankings
World Rank
37,126
Country Rank
112
Institution Rank : 19
South Africa
Fiona Baker
sleep
thermoregulation
brain
alcohol
Metrics
H-Index
i10 Index
Citation
65
165
15,265
* Rankings
World Rank
38,953
Country Rank
117
Institution Rank : 26
South Africa
Petrus J De Vries
Metrics
H-Index
i10 Index
Citation
64
150
17,789
* Rankings
World Rank
39,292
Country Rank
119
Institution Rank : 27
South Africa
Carolyn Williamson
hiv
Metrics
H-Index
i10 Index
Citation
64
178
22,033
* Rankings
World Rank
40,123
Country Rank
1
Institution Rank : 1
Sierra Leone
Bockarie M
Neglected Tropical Diseases
Entomology
Health Systems
Metrics
H-Index
i10 Index
Citation
64
171
13,106
* Rankings
World Rank
43,265
Country Rank
10
Institution Rank : 2
Morocco
Aziz Amine
Biosensors
Metrics
H-Index
i10 Index
Citation
62
167
12,380
* Rankings
World Rank
44,137
Country Rank
139
Institution Rank : 2
South Africa
Leickness Chisamu Simbayi
HIV/AIDS surveillance
HIV-related stigma and discrimination
behavioural interventions
implementation research
Orphaned and
Metrics
H-Index
i10 Index
Citation
62
149
19,645
* Rankings
World Rank
46,449
Country Rank
153
Institution Rank : 37
South Africa
Peter Zilla
Heart Valve Research
Metrics
H-Index
i10 Index
Citation
61
183
13,124
* Rankings
World Rank
47,010
Country Rank
154
Institution Rank : 1
South Africa
Emmanuel Rotimi Sadiku
Polymer Science
Metrics
H-Index
i10 Index
Citation
60
248
13,743
* Rankings
World Rank
51,194
Country Rank
57
Institution Rank : 5
Egypt
Eslam Ali Maher
Myths
Metrics
H-Index
i10 Index
Citation
59
240
30,107
* Rankings
World Rank
51,696
Country Rank
60
Institution Rank : 4
Egypt
Ayman Moawad Mahmoud
Metrics
H-Index
i10 Index
Citation
58
162
9,577
* Rankings
World Rank
56,064
Country Rank
181
Institution Rank : 46
South Africa
Anna-Lise Williamson
vaccines
papillomavirus
HIV
Metrics
H-Index
i10 Index
Citation
57
220
10,939
* Rankings
World Rank
58,361
Country Rank
5
Institution Rank : 3
Uganda
Harriet Mayanja-Kizza
medicine
Metrics
H-Index
i10 Index
Citation
56
186
11,779
* Rankings
World Rank
58,647
Country Rank
188
Institution Rank : 3
South Africa
Catherine Mathews
Health
Metrics
H-Index
i10 Index
Citation
56
190
10,081
* Rankings
World Rank
59,156
Country Rank
191
Institution Rank : 50
South Africa
Midgley JJ
Metrics
H-Index
i10 Index
Citation
56
175
21,999
* Rankings
World Rank
59,927
Country Rank
77
Institution Rank : 6
Egypt
Hamada Abdelgawad
Stress Biology
Metrics
H-Index
i10 Index
Citation
55
196
10,855
* Rankings
World Rank
60,728
Country Rank
195
Institution Rank : 18
South Africa
P. Pratap Kumar
Indian Diaspora
Religion
Hinduism
South Asians
Metrics
H-Index
i10 Index
Citation
55
314
16,120
* Rankings
World Rank
61,317
Country Rank
198
Institution Rank : 4
South Africa
Adrian Puren
HIV epidemiology
HIV surveillance
HIV diagnostics
Metrics
H-Index
i10 Index
Citation
55
132
15,996
* Rankings
World Rank
65,894
Country Rank
216
Institution Rank : 57
South Africa
Solomon Benatar
Metrics
H-Index
i10 Index
Citation
54
158
10,680
* Rankings
World Rank
67,271
Country Rank
220
Institution Rank : 58
South Africa
Leigh Johnson
HIV
AIDS
sexually transmitted infections
Metrics
H-Index
i10 Index
Citation
53
128
11,655
* Rankings
World Rank
67,483
Country Rank
222
Institution Rank : 3
South Africa
A Pym
Mycobacterium tuberculosis
Metrics
H-Index
i10 Index
Citation
53
103
16,589
* Rankings
World Rank
68,404
Country Rank
224
Institution Rank : 5
South Africa
Gita Ramjee
HIV Prevention
epidemiology
basic science
socio-behavioural science
Metrics
H-Index
i10 Index
Citation
53
158
14,116
* Rankings
World Rank
69,866
Country Rank
94
Institution Rank : 7
Egypt
Adel Rabie Ahmed Usman
Soils and Water Pollution
Soil Remediation
Heavy metals
Black carbon
Biochar
Metrics
H-Index
i10 Index
Citation
52
84
8,759
* Rankings
World Rank
70,565
Country Rank
239
Institution Rank : 6
South Africa
Arvin Bhana
mental health
HIV
children and adolescence
family resilience
substance use
Metrics
H-Index
i10 Index
Citation
52
122
10,093
* Rankings
World Rank
73,453
Country Rank
100
Institution Rank : 3
Egypt
Ahmed M. Youssef
Reading
Metrics
H-Index
i10 Index
Citation
51
127
8,826
* Rankings
World Rank
74,697
Country Rank
6
Institution Rank : 1
Tanzania
Honorati Masanja
Child Survival
Heatlh Equity
Nutrition
Maternal Newborn and Child Health
Health Information Systems
Metrics
H-Index
i10 Index
Citation
51
121
8,315
* Rankings
World Rank
74,915
Country Rank
258
Institution Rank : 67
South Africa
Sandrine Lecour
Metrics
H-Index
i10 Index
Citation
51
105
9,318
* Rankings
World Rank
75,095
Country Rank
260
Institution Rank : 37
South Africa
Lizette L Koekemoer
Malaria Vector Control
Metrics
H-Index
i10 Index
Citation
51
112
8,795
* Rankings
World Rank
77,632
Country Rank
273
Institution Rank : 70
South Africa
Dirk Blom
Metrics
H-Index
i10 Index
Citation
50
91
26,481
* Rankings
World Rank
78,281
Country Rank
281
Institution Rank : 73
South Africa
Rouault M
Metrics
H-Index
i10 Index
Citation
50
87
7,991
* Rankings
World Rank
82,345
Country Rank
118
Institution Rank : 9
Egypt
Anwar Ali Mahmoud
light
theoritical physics
Metrics
H-Index
i10 Index
Citation
49
239
14,054
* Rankings
World Rank
83,332
Country Rank
302
Institution Rank : 4
South Africa
Kobus Herbst
Health Informatics
Epidemiology
Population Science
Metrics
H-Index
i10 Index
Citation
49
102
9,515
* Rankings
World Rank
83,811
Country Rank
307
Institution Rank : 1
South Africa
Tony Rebelo
Conservation
Metrics
H-Index
i10 Index
Citation
49
94
11,727
* Rankings
World Rank
84,577
Country Rank
38
Institution Rank : 1
Nigeria
John Akanni Oluwole Ojewole
Medical Sciences
Histopathology
Metrics
H-Index
i10 Index
Citation
49
100
7,981
* Rankings
World Rank
85,812
Country Rank
130
Institution Rank : 1
Egypt
I Waked
Metrics
H-Index
i10 Index
Citation
48
104
13,273
* Rankings
World Rank
85,848
Country Rank
313
Institution Rank : 5
South Africa
Alex Sigal
Systems Virology
Emerging Viruses
HIV
Metrics
H-Index
i10 Index
Citation
48
75
19,534
* Rankings
World Rank
86,125
Country Rank
132
Institution Rank : 12
Egypt
Ahmed A D Sarhan
CIM
Intelligent Automation
CNC Machine Tool
Non-Conventional Machining
Metrics
H-Index
i10 Index
Citation
48
130
7,802
* Rankings
World Rank
87,747
Country Rank
321
Institution Rank : 83
South Africa
Susan Tl Harrison
Bioprocess engineering
Metrics
H-Index
i10 Index
Citation
48
155
10,969
* Rankings
World Rank
88,502
Country Rank
326
Institution Rank : 42
South Africa
Nigel Crowther
Obesity
insulin resistance
adipogenesis
developmental origins of disease
Metrics
H-Index
i10 Index
Citation
48
132
7,624
* Rankings
World Rank
88,773
Country Rank
328
Institution Rank : 1
South Africa
Ben Cousins
land
agriculture
land tenure
natural resources
south africa
Metrics
H-Index
i10 Index
Citation
48
115
8,176
* Rankings
World Rank
90,323
Country Rank
143
Institution Rank : 2
Egypt
Mohamed Ahmed Ali
Metrics
H-Index
i10 Index
Citation
47
185
14,744
* Rankings
World Rank
91,078
Country Rank
43
Institution Rank : 3
Nigeria
Rufus Adesoji Adedoyin
Cardiopulmonary and Sport Medicine
Metrics
H-Index
i10 Index
Citation
47
91
50,741
* Rankings
World Rank
91,421
Country Rank
4
Institution Rank : 4
Sudan
Hassan Hussein Musa
Molecular Genetics and Immunology
Metrics
H-Index
i10 Index
Citation
47
131
7,786
* Rankings
World Rank
91,849
Country Rank
343
Institution Rank : 8
South Africa
Patrick Ngulube
Preservation
Records management
Knowledge management
Research methods
indigenous knowledge
Metrics
H-Index
i10 Index
Citation
47
167
7,814
* Rankings
World Rank
93,412
Country Rank
352
Institution Rank : 45
South Africa
Nigel John Crowther
Obesity
insulin resistance
adipogenesis
developmental origins of disease
Metrics
H-Index
i10 Index
Citation
47
132
7,639
* Rankings
World Rank
95,468
Country Rank
154
Institution Rank : 11
Egypt
Methat A. Ibrahim
Molecular Spectroscopy
Molecular Modeling and Pollution Control
Metrics
H-Index
i10 Index
Citation
46
229
11,716
* Rankings
World Rank
96,284
Country Rank
44
Institution Rank : 9
Nigeria
Okechukwu Samuel Ogah
Hypertension
Heart failure
Left ventricular hypertrophy
CVD epidemiology
Atrial fibrillation
Metrics
H-Index
i10 Index
Citation
46
114
15,698
* Rankings
World Rank
97,595
Country Rank
23
Institution Rank : 9
Kenya
Ingrid Oborn
SLU
Metrics
H-Index
i10 Index
Citation
46
103
7,155
* Rankings
World Rank
98,937
Country Rank
2
Institution Rank : 2
Mozambique
Jahit Sacarlal
Metrics
H-Index
i10 Index
Citation
46
79
8,578
* Rankings
World Rank
99,769
Country Rank
371
Institution Rank : 47
South Africa
P Cleaton-Jones
Metrics
H-Index
i10 Index
Citation
46
171
8,205
* Rankings
World Rank
100,665
Country Rank
26
Institution Rank : 8
Morocco
Guenbour Abdellah
Matériaux
Environnement
Energie
Metrics
H-Index
i10 Index
Citation
45
156
6,026
* Rankings
World Rank
101,604
Country Rank
172
Institution Rank : 3
Egypt
Hesham Arafat Ali|H. arafat Ali, H. A. Ali, Hesham A. Ali
Distributed systems
Distributed Database
Network
IoT
Security
Metrics
H-Index
i10 Index
Citation
45
144
6,342
* Rankings
World Rank
104,807
Country Rank
406
Institution Rank : 60
South Africa
Roelof Menkveld
Metrics
H-Index
i10 Index
Citation
45
75
9,588
* Rankings
World Rank
106,544
Country Rank
412
Institution Rank : 4
South Africa
Maya Jacob and Maya John
natural fibres
rubber composites
polymer composites
agrowaste derived products
Metrics
H-Index
i10 Index
Citation
44
80
13,520
* Rankings
World Rank
107,569
Country Rank
15
Institution Rank : 11
Ethiopia
Ephrem Engidawork
Neuroscience
Natural products
Metrics
H-Index
i10 Index
Citation
44
112
5,628
* Rankings
World Rank
108,350
Country Rank
426
Institution Rank : 5
South Africa
Basil Brooke
Metrics
H-Index
i10 Index
Citation
44
77
5,805
* Rankings
World Rank
110,044
Country Rank
5
Institution Rank : 5
Sudan
Eltahir Awad Gasim Khalil
Vaccines for Visceral Leishmaniasis
Latent TB infections
Immunochemotherapy for Chronic HBV
Metrics
H-Index
i10 Index
Citation
44
99
6,664
* Rankings
World Rank
110,150
Country Rank
431
Institution Rank : 3
South Africa
Michael Rutherford
Metrics
H-Index
i10 Index
Citation
44
66
13,603
* Rankings
World Rank
110,548
Country Rank
198
Institution Rank : 15
Egypt
Saad SM Hassan
Metrics
H-Index
i10 Index
Citation
44
170
6,903
* Rankings
World Rank
110,859
Country Rank
29
Institution Rank : 1
Kenya
Shaka Kevin
programming
Metrics
H-Index
i10 Index
Citation
44
81
14,751
* Rankings
World Rank
111,014
Country Rank
434
Institution Rank : 50
South Africa
Patrick Macphail
Iron metabolism
HIV epidemiology
KSHV
Metrics
H-Index
i10 Index
Citation
44
85
7,061
* Rankings
World Rank
111,195
Country Rank
435
Institution Rank : 6
South Africa
Jinal Bhiman
Host pathogen interactions
B cell immunology
vaccines
Metrics
H-Index
i10 Index
Citation
43
66
17,004
* Rankings
World Rank
111,777
Country Rank
204
Institution Rank : 8
Egypt
Yousry A.Ammar
hetrocyclic chemistrty
Metrics
H-Index
i10 Index
Citation
43
131
5,641
* Rankings
World Rank
113,272
Country Rank
443
Institution Rank : 51
South Africa
Francesca Conradie
HIV
MDR TB
Metrics
H-Index
i10 Index
Citation
43
83
7,020
* Rankings
World Rank
114,030
Country Rank
447
Institution Rank : 5
South Africa
Khangelani Zuma
HIV
epidemiology
sexually transmitted infections
statistics
surveys
Metrics
H-Index
i10 Index
Citation
43
83
10,948
* Rankings
World Rank
114,876
Country Rank
216
Institution Rank : 24
Egypt
Taymour Mostafa
Andrology
Sexology
STIs
Metrics
H-Index
i10 Index
Citation
43
131
5,918
* Rankings
World Rank
115,605
Country Rank
449
Institution Rank : 38
South Africa
Dhayendre Moodley|Dhayandre Moodley
Metrics
H-Index
i10 Index
Citation
43
95
6,444
* Rankings
World Rank
117,507
Country Rank
458
Institution Rank : 115
South Africa
Ntobeko Ntusi
Heart failure
Hypertension
Inflammatory heart disease
Cardiovascular magnetic resonance
HIV-associated cardiovascular diseas
Metrics
H-Index
i10 Index
Citation
42
118
9,293
* Rankings
World Rank
123,041
Country Rank
487
Institution Rank : 27
South Africa
Michael Dutton
Mycology
Environmental health
Mycotoxins
Food technology
Metrics
H-Index
i10 Index
Citation
42
91
5,357
* Rankings
World Rank
123,773
Country Rank
242
Institution Rank : 3
Egypt
Dalia Yousri
PV solar system
Microgrid
Energy storage systems
Energy management
Optimization algorithms
Metrics
H-Index
i10 Index
Citation
41
79
6,617
* Rankings
World Rank
124,859
Country Rank
496
Institution Rank : 15
South Africa
Mykhaylo Lototskyy
metal hydrides
hydrogen energy
Metrics
H-Index
i10 Index
Citation
41
75
6,449
* Rankings
World Rank
124,900
Country Rank
253
Institution Rank : 7
Egypt
Ahmed Nabil
Cancer Immunology and Immunotherapy
Metrics
H-Index
i10 Index
Citation
41
69
11,591
* Rankings
World Rank
125,040
Country Rank
16
Institution Rank : 2
Tanzania
Susan F. Rumisha
Health Information
spatial statistics
Metrics
H-Index
i10 Index
Citation
41
98
14,128
* Rankings
World Rank
125,075
Country Rank
19
Institution Rank : 3
Tunisia
Abdelmajid Jemni
Transfert Thermique
milieux poreux
méthodes inverses
caractérisation thermophysique
thermique de
Metrics
H-Index
i10 Index
Citation
41
89
6,093
* Rankings
World Rank
127,803
Country Rank
514
Institution Rank : 8
South Africa
Anthony M. Smith
Metrics
H-Index
i10 Index
Citation
41
88
5,991
* Rankings
World Rank
128,176
Country Rank
517
Institution Rank : 127
South Africa
Eric Van Steen
Heterogeneous catalysis
Fischer-Tropsch synthesis
Metrics
H-Index
i10 Index
Citation
41
102
6,652
* Rankings
World Rank
129,712
Country Rank
526
Institution Rank : 9
South Africa
Caroline T Tiemessen
HIV
Virology
Immunology
Host genetics
Metrics
H-Index
i10 Index
Citation
41
113
4,937
* Rankings
World Rank
130,703
Country Rank
72
Institution Rank : 5
Nigeria
Ayodeji Emmanuel Oke
Sustainable Infrastructure Management
Digital Construction
Quantity surveying
Sustainable construction
Value management
Metrics
H-Index
i10 Index
Citation
40
156
6,108
* Rankings
World Rank
131,558
Country Rank
37
Institution Rank : 5
Kenya
Kai Sonder
Metrics
H-Index
i10 Index
Citation
40
80
5,686
* Rankings
World Rank
132,124
Country Rank
29
Institution Rank : 2
Ghana
Frederick Ato Armah
Environmental Change
Pollution
Human Health
Multivariate Statistics
Systems Analysis...
Metrics
H-Index
i10 Index
Citation
40
101
5,616
* Rankings
World Rank
132,686
Country Rank
540
Institution Rank : 6
South Africa
Heidi van Rooyen
HIV research
testing and counselling
Tuberculosis
GBMSM
Metrics
H-Index
i10 Index
Citation
40
76
5,234
* Rankings
World Rank
132,701
Country Rank
541
Institution Rank : 6
South Africa
Moses Azong Cho
Remote sensing
Metrics
H-Index
i10 Index
Citation
40
74
7,650
* Rankings
World Rank
133,833
Country Rank
77
Institution Rank : 14
Nigeria
Akinyinka Omigbodun
Medical Education
Maternal Health
Urban Health
Gynaecological Oncology
Surgical Safety
Metrics
H-Index
i10 Index
Citation
40
91
8,900
* Rankings
World Rank
134,307
Country Rank
23
Institution Rank : 4
Tunisia
Salwa ABID
Toxicologie Moléculaire
Metrics
H-Index
i10 Index
Citation
40
92
4,802
Rankings
2,038
South Africa
6
1
Timothy D Noakes
Metrics
H-Index
i10 Index
Citation Counts
144
544
63,972
Running
Nutrition
Exercise Physiology
Insulin Resistance
Diabetes
Rankings
2,371
Kenya
1
1
Robert W Snow
Metrics
H-Index
i10 Index
Citation Counts
139
432
68,570
Rankings
8,853
Egypt
10
3
Elsayed Salama
Metrics
H-Index
i10 Index
Citation Counts
99
247
37,436
Rankings
8,903
South Africa
23
9
Bongani M Mayosi
Metrics
H-Index
i10 Index
Citation Counts
99
291
129,552
Rankings
9,910
Nigeria
2
1
Shafiu Mohammed
Metrics
H-Index
i10 Index
Citation Counts
98
160
150,152
Global Health
Health Systems and Policy
Health Economics
Epidemiology
Rankings
12,849
South Africa
32
1
Lynn Morris
Metrics
H-Index
i10 Index
Citation Counts
90
258
32,259
Rankings
13,703
South Africa
36
1
Suprakas Sinha Ray
Metrics
H-Index
i10 Index
Citation Counts
88
377
39,648
Polymer Physics and Polymer Nanocomposites
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14,377
South Africa
39
1
Willem Hanekom
Metrics
H-Index
i10 Index
Citation Counts
87
227
25,556
Tuberculosis
Vaccinology
Immunology
Clinical Trials
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14,383
Uganda
3
2
Moses R Kamya|Moses Kamya, M. Kamya
Metrics
H-Index
i10 Index
Citation Counts
87
442
26,054
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17,182
South Africa
52
1
Gavin Churchyard
Metrics
H-Index
i10 Index
Citation Counts
83
248
24,754
Rankings
20,745
Egypt
21
1
ايمان مصطفي محمد جفلان
Metrics
H-Index
i10 Index
Citation Counts
78
173
58,654
المكتبات والوثائق والمعلومات
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24,359
South Africa
74
2
Debbie Bradshaw
Metrics
H-Index
i10 Index
Citation Counts
75
223
24,602
Rankings
27,591
South Africa
80
13
Wendy Stevens|Stevens Wendy S, Stevens W, StevensW.S.
Metrics
H-Index
i10 Index
Citation Counts
72
231
24,038
HIV TB COVID HAEMATOLOFY
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28,533
Kenya
5
2
Mark Van Wijk
Metrics
H-Index
i10 Index
Citation Counts
71
140
15,725
Rankings
29,699
South Africa
86
2
Cheryl Cohen
Metrics
H-Index
i10 Index
Citation Counts
70
222
24,514
Rankings
31,772
South Africa
95
5
Donald Kurtz
Metrics
H-Index
i10 Index
Citation Counts
69
269
18,202
Rankings
35,378
South Africa
108
7
Onisimo Mutanga
Metrics
H-Index
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Citation Counts
66
243
18,566
Rankings
37,126
South Africa
112
19
Fiona Baker
Metrics
H-Index
i10 Index
Citation Counts
65
165
15,265
sleep
thermoregulation
brain
alcohol
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38,953
South Africa
117
26
Petrus J De Vries
Metrics
H-Index
i10 Index
Citation Counts
64
150
17,789
Rankings
39,292
South Africa
119
27
Carolyn Williamson
Metrics
H-Index
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Citation Counts
64
178
22,033
Rankings
40,123
Sierra Leone
1
1
Bockarie M
Metrics
H-Index
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Citation Counts
64
171
13,106
Neglected Tropical Diseases
Entomology
Health Systems
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43,265
Morocco
10
2
Aziz Amine
Metrics
H-Index
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Citation Counts
62
167
12,380
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44,137
South Africa
139
2
Leickness Chisamu Simbayi
Metrics
H-Index
i10 Index
Citation Counts
62
149
19,645
HIV/AIDS surveillance
HIV-related stigma and discrimination
behavioural interventions
implementation research
Orphaned and
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46,449
South Africa
153
37
Peter Zilla
Metrics
H-Index
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Citation Counts
61
183
13,124
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47,010
South Africa
154
1
Emmanuel Rotimi Sadiku
Metrics
H-Index
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60
248
13,743
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51,194
Egypt
57
5
Eslam Ali Maher
Metrics
H-Index
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Citation Counts
59
240
30,107
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51,696
Egypt
60
4
Ayman Moawad Mahmoud
Metrics
H-Index
i10 Index
Citation Counts
58
162
9,577
Rankings
56,064
South Africa
181
46
Anna-Lise Williamson
Metrics
H-Index
i10 Index
Citation Counts
57
220
10,939
vaccines
papillomavirus
HIV
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58,361
Uganda
5
3
Harriet Mayanja-Kizza
Metrics
H-Index
i10 Index
Citation Counts
56
186
11,779
Rankings
58,647
South Africa
188
3
Catherine Mathews
Metrics
H-Index
i10 Index
Citation Counts
56
190
10,081
Rankings
59,156
South Africa
191
50
Midgley JJ
Metrics
H-Index
i10 Index
Citation Counts
56
175
21,999
Rankings
59,927
Egypt
77
6
Hamada Abdelgawad
Metrics
H-Index
i10 Index
Citation Counts
55
196
10,855
Rankings
60,728
South Africa
195
18
P. Pratap Kumar
Metrics
H-Index
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Citation Counts
55
314
16,120
Indian Diaspora
Religion
Hinduism
South Asians
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61,317
South Africa
198
4
Adrian Puren
Metrics
H-Index
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Citation Counts
55
132
15,996
HIV epidemiology
HIV surveillance
HIV diagnostics
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65,894
South Africa
216
57
Solomon Benatar
Metrics
H-Index
i10 Index
Citation Counts
54
158
10,680
Rankings
67,271
South Africa
220
58
Leigh Johnson
Metrics
H-Index
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Citation Counts
53
128
11,655
HIV
AIDS
sexually transmitted infections
Rankings
67,483
South Africa
222
3
A Pym
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H-Index
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53
103
16,589
Mycobacterium tuberculosis
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68,404
South Africa
224
5
Gita Ramjee
Metrics
H-Index
i10 Index
Citation Counts
53
158
14,116
HIV Prevention
epidemiology
basic science
socio-behavioural science
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69,866
Egypt
94
7
Adel Rabie Ahmed Usman
Metrics
H-Index
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Citation Counts
52
84
8,759
Soils and Water Pollution
Soil Remediation
Heavy metals
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70,565
South Africa
239
6
Arvin Bhana
Metrics
H-Index
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Citation Counts
52
122
10,093
mental health
HIV
children and adolescence
family resilience
substance use
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73,453
Egypt
100
3
Ahmed M. Youssef
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H-Index
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51
127
8,826
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74,697
Tanzania
6
1
Honorati Masanja
Metrics
H-Index
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Citation Counts
51
121
8,315
Child Survival
Heatlh Equity
Nutrition
Maternal Newborn and Child Health
Health Information Systems
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74,915
South Africa
258
67
Sandrine Lecour
Metrics
H-Index
i10 Index
Citation Counts
51
105
9,318
Rankings
75,095
South Africa
260
37
Lizette L Koekemoer
Metrics
H-Index
i10 Index
Citation Counts
51
112
8,795
Rankings
77,632
South Africa
273
70
Dirk Blom
Metrics
H-Index
i10 Index
Citation Counts
50
91
26,481
Rankings
78,281
South Africa
281
73
Rouault M
Metrics
H-Index
i10 Index
Citation Counts
50
87
7,991
Rankings
82,345
Egypt
118
9
Anwar Ali Mahmoud
Metrics
H-Index
i10 Index
Citation Counts
49
239
14,054
light
theoritical physics
Rankings
83,332
South Africa
302
4
Kobus Herbst
Metrics
H-Index
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Citation Counts
49
102
9,515
Health Informatics
Epidemiology
Population Science
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83,811
South Africa
307
1
Tony Rebelo
Metrics
H-Index
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Citation Counts
49
94
11,727
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84,577
Nigeria
38
1
John Akanni Oluwole Ojewole
Metrics
H-Index
i10 Index
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49
100
7,981
Medical Sciences
Histopathology
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85,812
Egypt
130
1
I Waked
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H-Index
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Citation Counts
48
104
13,273
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85,848
South Africa
313
5
Alex Sigal
Metrics
H-Index
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Citation Counts
48
75
19,534
Systems Virology
Emerging Viruses
HIV
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86,125
Egypt
132
12
Ahmed A D Sarhan
Metrics
H-Index
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Citation Counts
48
130
7,802
CIM
Intelligent Automation
CNC Machine Tool
Non-Conventional Machining
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87,747
South Africa
321
83
Susan Tl Harrison
Metrics
H-Index
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Citation Counts
48
155
10,969
Rankings
88,502
South Africa
326
42
Nigel Crowther
Metrics
H-Index
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Citation Counts
48
132
7,624
Obesity
insulin resistance
adipogenesis
developmental origins of disease
Rankings
88,773
South Africa
328
1
Ben Cousins
Metrics
H-Index
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Citation Counts
48
115
8,176
land
agriculture
land tenure
natural resources
south africa
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90,323
Egypt
143
2
Mohamed Ahmed Ali
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H-Index
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Citation Counts
47
185
14,744
Rankings
91,078
Nigeria
43
3
Rufus Adesoji Adedoyin
Metrics
H-Index
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Citation Counts
47
91
50,741
Cardiopulmonary and Sport Medicine
Rankings
91,421
Sudan
4
4
Hassan Hussein Musa
Metrics
H-Index
i10 Index
Citation Counts
47
131
7,786
Molecular Genetics and Immunology
Rankings
91,849
South Africa
343
8
Patrick Ngulube
Metrics
H-Index
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Citation Counts
47
167
7,814
Preservation
Records management
Knowledge management
Research methods
indigenous knowledge
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93,412
South Africa
352
45
Nigel John Crowther
Metrics
H-Index
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Citation Counts
47
132
7,639
Obesity
insulin resistance
adipogenesis
developmental origins of disease
Rankings
95,468
Egypt
154
11
Methat A. Ibrahim
Metrics
H-Index
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Citation Counts
46
229
11,716
Molecular Spectroscopy
Molecular Modeling and Pollution Control
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96,284
Nigeria
44
9
Okechukwu Samuel Ogah
Metrics
H-Index
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Citation Counts
46
114
15,698
Hypertension
Heart failure
Left ventricular hypertrophy
CVD epidemiology
Atrial fibrillation
Rankings
97,595
Kenya
23
9
Ingrid Oborn
Metrics
H-Index
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Citation Counts
46
103
7,155
Rankings
98,937
Mozambique
2
2
Jahit Sacarlal
Metrics
H-Index
i10 Index
Citation Counts
46
79
8,578
Rankings
99,769
South Africa
371
47
P Cleaton-Jones
Metrics
H-Index
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Citation Counts
46
171
8,205
Rankings
100,665
Morocco
26
8
Guenbour Abdellah
Metrics
H-Index
i10 Index
Citation Counts
45
156
6,026
Matériaux
Environnement
Energie
Rankings
101,604
Egypt
172
3
Hesham Arafat Ali|H. arafat Ali, H. A. Ali, Hesham A. Ali
Metrics
H-Index
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Citation Counts
45
144
6,342
Distributed systems
Distributed Database
Network
IoT
Security
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104,807
South Africa
406
60
Roelof Menkveld
Metrics
H-Index
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Citation Counts
45
75
9,588
Rankings
106,544
South Africa
412
4
Maya Jacob and Maya John
Metrics
H-Index
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Citation Counts
44
80
13,520
natural fibres
rubber composites
polymer composites
agrowaste derived products
Rankings
107,569
Ethiopia
15
11
Ephrem Engidawork
Metrics
H-Index
i10 Index
Citation Counts
44
112
5,628
Neuroscience
Natural products
Rankings
108,350
South Africa
426
5
Basil Brooke
Metrics
H-Index
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Citation Counts
44
77
5,805
Rankings
110,044
Sudan
5
5
Eltahir Awad Gasim Khalil
Metrics
H-Index
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Citation Counts
44
99
6,664
Vaccines for Visceral Leishmaniasis
Latent TB infections
Immunochemotherapy for Chronic HBV
Rankings
110,150
South Africa
431
3
Michael Rutherford
Metrics
H-Index
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Citation Counts
44
66
13,603
Rankings
110,548
Egypt
198
15
Saad SM Hassan
Metrics
H-Index
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Citation Counts
44
170
6,903
Rankings
110,859
Kenya
29
1
Shaka Kevin
Metrics
H-Index
i10 Index
Citation Counts
44
81
14,751
Rankings
111,014
South Africa
434
50
Patrick Macphail
Metrics
H-Index
i10 Index
Citation Counts
44
85
7,061
Iron metabolism
HIV epidemiology
KSHV
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111,195
South Africa
435
6
Jinal Bhiman
Metrics
H-Index
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Citation Counts
43
66
17,004
Host pathogen interactions
B cell immunology
vaccines
Rankings
111,777
Egypt
204
8
Yousry A.Ammar
Metrics
H-Index
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Citation Counts
43
131
5,641
Rankings
113,272
South Africa
443
51
Francesca Conradie
Metrics
H-Index
i10 Index
Citation Counts
43
83
7,020
Rankings
114,030
South Africa
447
5
Khangelani Zuma
Metrics
H-Index
i10 Index
Citation Counts
43
83
10,948
HIV
epidemiology
sexually transmitted infections
statistics
surveys
Rankings
114,876
Egypt
216
24
Taymour Mostafa
Metrics
H-Index
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Citation Counts
43
131
5,918
Andrology
Sexology
STIs
Rankings
115,605
South Africa
449
38
Dhayendre Moodley|Dhayandre Moodley
Metrics
H-Index
i10 Index
Citation Counts
43
95
6,444
Rankings
117,507
South Africa
458
115
Ntobeko Ntusi
Metrics
H-Index
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Citation Counts
42
118
9,293
Heart failure
Hypertension
Inflammatory heart disease
Cardiovascular magnetic resonance
HIV-associated cardiovascular diseas
Rankings
123,041
South Africa
487
27
Michael Dutton
Metrics
H-Index
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Citation Counts
42
91
5,357
Mycology
Environmental health
Mycotoxins
Food technology
Rankings
123,773
Egypt
242
3
Dalia Yousri
Metrics
H-Index
i10 Index
Citation Counts
41
79
6,617
PV solar system
Microgrid
Energy storage systems
Energy management
Optimization algorithms
Rankings
124,859
South Africa
496
15
Mykhaylo Lototskyy
Metrics
H-Index
i10 Index
Citation Counts
41
75
6,449
metal hydrides
hydrogen energy
Rankings
124,900
Egypt
253
7
Ahmed Nabil
Metrics
H-Index
i10 Index
Citation Counts
41
69
11,591
Cancer Immunology and Immunotherapy
Rankings
125,040
Tanzania
16
2
Susan F. Rumisha
Metrics
H-Index
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Citation Counts
41
98
14,128
Health Information
spatial statistics
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125,075
Tunisia
19
3
Abdelmajid Jemni
Metrics
H-Index
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Citation Counts
41
89
6,093
Transfert Thermique
milieux poreux
méthodes inverses
caractérisation thermophysique
thermique de
Rankings
127,803
South Africa
514
8
Anthony M. Smith
Metrics
H-Index
i10 Index
Citation Counts
41
88
5,991
Rankings
128,176
South Africa
517
127
Eric Van Steen
Metrics
H-Index
i10 Index
Citation Counts
41
102
6,652
Heterogeneous catalysis
Fischer-Tropsch synthesis
Rankings
129,712
South Africa
526
9
Caroline T Tiemessen
Metrics
H-Index
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Citation Counts
41
113
4,937
HIV
Virology
Immunology
Host genetics
Rankings
130,703
Nigeria
72
5
Ayodeji Emmanuel Oke
Metrics
H-Index
i10 Index
Citation Counts
40
156
6,108
Sustainable Infrastructure Management
Digital Construction
Quantity surveying
Sustainable construction
Value management
Rankings
131,558
Kenya
37
5
Kai Sonder
Metrics
H-Index
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Citation Counts
40
80
5,686
Rankings
132,124
Ghana
29
2
Frederick Ato Armah
Metrics
H-Index
i10 Index
Citation Counts
40
101
5,616
Environmental Change
Pollution
Human Health
Multivariate Statistics
Systems Analysis...
Rankings
132,686
South Africa
540
6
Heidi van Rooyen
Metrics
H-Index
i10 Index
Citation Counts
40
76
5,234
HIV research
testing and counselling
Tuberculosis
GBMSM
Rankings
132,701
South Africa
541
6
Moses Azong Cho
Metrics
H-Index
i10 Index
Citation Counts
40
74
7,650
Rankings
133,833
Nigeria
77
14
Akinyinka Omigbodun
Metrics
H-Index
i10 Index
Citation Counts
40
91
8,900
Medical Education
Maternal Health
Urban Health
Gynaecological Oncology
Surgical Safety
Rankings
134,307
Tunisia
23
4
Salwa ABID
Metrics
H-Index
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Citation Counts
40
92
4,802
Toxicologie Moléculaire