Citation Rankings
Highly Cited Researchers
Africa Highly Cited Researchers Citation Medical and Health Sciences Rankings 2025
Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Total Citation Counts Rankings
Ranking Based On Selection :1
Anxiety disorders
Psychiatry in Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
251,812
166,456
0.661
* Total Citation Counts Rankings
Ranking Based On Selection :2
Stroke
Neurorehabilitation
Neurogenetics
Non-communicable diseases
Population health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
155,590
141,034
0.906
* Total Citation Counts Rankings
Ranking Based On Selection :3
cardiology
heart failure
Africa
peripartum
covid
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
141,075
88,413
0.627
* Total Citation Counts Rankings
Ranking Based On Selection :4
Electrocardiography
Atrial fibrillation
Preventive cardiology
Cardiovascular epidemiology
Global health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
130,416
57,481
0.441
* Total Citation Counts Rankings
Ranking Based On Selection :5
clinical microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
124,414
101,106
0.813
* Total Citation Counts Rankings
Ranking Based On Selection :6
Epidemiology
Public Health
Biostatistics
Cancer Research
Communicable Diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
114,750
101,942
0.888
* Total Citation Counts Rankings
Ranking Based On Selection :7
Early Childhood Health and Development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
113,420
93,541
0.825
* Total Citation Counts Rankings
Ranking Based On Selection :8
Psychiatry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
109,022
65,836
0.604
* Total Citation Counts Rankings
Ranking Based On Selection :9
Health Policy and Management
Infection Prevention and Control
Disease Prevention and Control
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103,966
98,437
0.947
* Total Citation Counts Rankings
Ranking Based On Selection :10
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
96,140
55,671
0.579
* Total Citation Counts Rankings
Ranking Based On Selection :11
Global Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
84,632
74,126
0.876
* Total Citation Counts Rankings
Ranking Based On Selection :12
Public health
epidemiology
cardiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82,569
65,969
0.799
* Total Citation Counts Rankings
Ranking Based On Selection :13
Public Health Nutrition
Nutrition epidemiology
Infant and young child feeding
maternal and child health research
HIV and nut
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
75,954
59,942
0.789
* Total Citation Counts Rankings
Ranking Based On Selection :14
Parasitology
Global burden of diseases
Neglected parasitic diseases in Tropics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
75,854
72,030
0.950
* Total Citation Counts Rankings
Ranking Based On Selection :15
Neurology
Neuroscience
Ageing Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
74,336
67,325
0.906
* Total Citation Counts Rankings
Ranking Based On Selection :16
Paediatric Cardiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
67,684
57,298
0.847
* Total Citation Counts Rankings
Ranking Based On Selection :17
Respiratory medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
67,570
25,143
0.372
* Total Citation Counts Rankings
Ranking Based On Selection :18
Global Health
Evidence synthesis
Infectious Disease Epidemiology
Vaccinology
HIV
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
65,329
62,281
0.953
* Total Citation Counts Rankings
Ranking Based On Selection :19
Internal medicine
Infectious diseases
Oncology
Nuclear Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,486
57,777
0.896
* Total Citation Counts Rankings
Ranking Based On Selection :20
Public health
Global health
Epidemiology
Maternal and Child Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63,402
58,558
0.924
* Total Citation Counts Rankings
Ranking Based On Selection :21
Clinical Biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60,983
57,286
0.939
* Total Citation Counts Rankings
Ranking Based On Selection :22
Epidemiological research and outcome measurement
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,798
49,867
0.834
* Total Citation Counts Rankings
Ranking Based On Selection :23
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,577
35,224
0.591
* Total Citation Counts Rankings
Ranking Based On Selection :24
Public Health
Epidemiology
Global Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
58,109
53,929
0.928
* Total Citation Counts Rankings
Ranking Based On Selection :25
Global Mental Health
Health Services Research
Health Disparities
Child & Adolescent MH
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57,609
54,896
0.953
* Total Citation Counts Rankings
Rankings
395
2
2
Ranking Based On Selection: 1
Dan J Stein
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
251,812
166,456
0.661
Anxiety disorders
Psychiatry in Africa
* Total Citation Counts Rankings
Rankings
1,270
1
1
Ranking Based On Selection: 2
Mayowa Owolabi
University of Ibadan
Ibadan, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
155,590
141,034
0.906
Stroke
Neurorehabilitation
Neurogenetics
Non-communicable diseases
Population health
* Total Citation Counts Rankings
Rankings
1,532
4
3
Ranking Based On Selection: 3
Karen Sliwa
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
141,075
88,413
0.627
cardiology
heart failure
Africa
peripartum
covid
* Total Citation Counts Rankings
Rankings
1,781
7
1
Ranking Based On Selection: 4
Elsayed Z Soliman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
130,416
57,481
0.441
Electrocardiography
Atrial fibrillation
Preventive cardiology
Cardiovascular epidemiology
Global health
* Total Citation Counts Rankings
Rankings
1,951
8
1
Ranking Based On Selection: 5
Maysaa El Sayed Zaki
Mansoura University
Mansoura, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
124,414
101,106
0.813
clinical microbiology
* Total Citation Counts Rankings
Rankings
2,269
1
1
Ranking Based On Selection: 6
Zoubida Zaidi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
114,750
101,942
0.888
Epidemiology
Public Health
Biostatistics
Cancer Research
Communicable Diseases
* Total Citation Counts Rankings
Rankings
2,320
3
1
Ranking Based On Selection: 7
Bolajoko O. Olusanya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
113,420
93,541
0.825
Early Childhood Health and Development
* Total Citation Counts Rankings
Rankings
2,505
4
2
Ranking Based On Selection: 8
Oye Gureje
University of Ibadan
Ibadan, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
109,022
65,836
0.604
* Total Citation Counts Rankings
Rankings
2,757
5
3
Ranking Based On Selection: 9
Olayinka Stephen Ilesanmi
University of Ibadan
Ibadan, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103,966
98,437
0.947
Health Policy and Management
Infection Prevention and Control
Disease Prevention and Control
* Total Citation Counts Rankings
Rankings
3,224
9
5
Ranking Based On Selection: 10
Naomi Sharlene Levitt
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
96,140
55,671
0.579
* Total Citation Counts Rankings
Rankings
4,074
6
2
Ranking Based On Selection: 11
Jacob Olusegun Olusanya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
84,632
74,126
0.876
* Total Citation Counts Rankings
Rankings
4,215
1
1
Ranking Based On Selection: 12
Albertino Damasceno
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82,569
65,969
0.799
Public health
epidemiology
cardiology
* Total Citation Counts Rankings
Rankings
4,916
1
1
Ranking Based On Selection: 13
Bruno Sunguya
Muhimbili University of Health and Allied Sciences
Dar es salaam, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
75,954
59,942
0.789
Public Health Nutrition
Nutrition epidemiology
Infant and young child feeding
maternal and child health research
HIV and nut
* Total Citation Counts Rankings
Rankings
4,929
3
1
Ranking Based On Selection: 14
Josephine Ngunjiri
University of Embu
Embu,, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
75,854
72,030
0.950
Parasitology
Global burden of diseases
Neglected parasitic diseases in Tropics
* Total Citation Counts Rankings
Rankings
5,100
7
4
Ranking Based On Selection: 15
Rufus Akinyemi
University of Ibadan
Ibadan, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
74,336
67,325
0.906
Neurology
Neuroscience
Ageing Medicine
* Total Citation Counts Rankings
Rankings
5,928
15
7
Ranking Based On Selection: 16
Liesl Zuhlke
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
67,684
57,298
0.847
Paediatric Cardiology
* Total Citation Counts Rankings
Rankings
5,944
16
8
Ranking Based On Selection: 17
Eric Bateman
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
67,570
25,143
0.372
* Total Citation Counts Rankings
Rankings
6,264
18
2
Ranking Based On Selection: 18
Ola Adetokunboh Md
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
65,329
62,281
0.953
Global Health
Evidence synthesis
Infectious Disease Epidemiology
Vaccinology
HIV
* Total Citation Counts Rankings
Rankings
6,391
1
1
Ranking Based On Selection: 19
Yaw Ampem Amoako
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,486
57,777
0.896
Internal medicine
Infectious diseases
Oncology
Nuclear Medicine
* Total Citation Counts Rankings
Rankings
6,570
8
2
Ranking Based On Selection: 20
Muawiyyah Babale Sufiyan
Ahmadu Bello University
Zaria, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63,402
58,558
0.924
Public health
Global health
Epidemiology
Maternal and Child Health
* Total Citation Counts Rankings
Rankings
7,011
11
2
Ranking Based On Selection: 21
Nahla Anber
Mansoura University
Mansoura, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60,983
57,286
0.939
Clinical Biochemistry
* Total Citation Counts Rankings
Rankings
7,236
1
1
Ranking Based On Selection: 22
Ababi Giref
Addis Ababa University
Addis Ababa, Ethiopia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,798
49,867
0.834
Epidemiological research and outcome measurement
* Total Citation Counts Rankings
Rankings
7,277
23
10
Ranking Based On Selection: 23
Heather Zar
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,577
35,224
0.591
* Total Citation Counts Rankings
Rankings
7,565
2
1
Ranking Based On Selection: 24
David Teye Doku
University of Cape Coast
Cape Coast, Ghana
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
58,109
53,929
0.928
Public Health
Epidemiology
Global Health
* Total Citation Counts Rankings
Rankings
7,654
5
2
Ranking Based On Selection: 25
Manasi Kumar
University of Nairobi
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57,609
54,896
0.953
Global Mental Health
Health Services Research
Health Disparities
Child & Adolescent MH