Citation Rankings
Highly Cited Researchers
Others Highly Cited Researchers Citation in South Africa Rankings 2025
The Citation Rankings (Highly Cited Researchers) highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the 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
Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
133,729
77,601
0.580
* Total Citation Counts Rankings
Ranking Based On Selection :2
First interest
Second interest
Vaccinology
Respiratory pathogens
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
65,164
43,067
0.661
* Total Citation Counts Rankings
Ranking Based On Selection :3
Running
Nutrition
Exercise Physiology
Insulin Resistance
Diabetes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,790
15,068
0.233
* Total Citation Counts Rankings
Ranking Based On Selection :4
Clinical Medicine
Epidemiology
Cancer
Infectious disease
Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,814
41,007
0.958
* Total Citation Counts Rankings
Ranking Based On Selection :5
Polymer Physics and Polymer Nanocomposites
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,679
17,698
0.435
* Total Citation Counts Rankings
Ranking Based On Selection :6
Vaccines
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,748
12,986
0.397
* Total Citation Counts Rankings
Ranking Based On Selection :7
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,418
24,940
0.820
* Total Citation Counts Rankings
Ranking Based On Selection :8
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,213
15,247
0.560
* Total Citation Counts Rankings
Ranking Based On Selection :9
Tuberculosis
Vaccinology
Immunology
Clinical Trials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,143
14,162
0.542
* Total Citation Counts Rankings
Ranking Based On Selection :10
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,599
20,567
0.803
* Total Citation Counts Rankings
Ranking Based On Selection :11
Tuberculosis
HIV/AIDS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,304
11,137
0.440
* Total Citation Counts Rankings
Ranking Based On Selection :12
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,138
11,437
0.455
* Total Citation Counts Rankings
Ranking Based On Selection :13
HIV TB COVID HAEMATOLOFY
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,453
11,611
0.475
* Total Citation Counts Rankings
Ranking Based On Selection :14
hiv
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,464
12,324
0.549
* Total Citation Counts Rankings
Ranking Based On Selection :15
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,447
9,254
0.412
* Total Citation Counts Rankings
Ranking Based On Selection :16
HIV/AIDS surveillance
HIV-related stigma and discrimination
behavioural interventions
implementation research
Orphaned and
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,990
6,750
0.338
* Total Citation Counts Rankings
Ranking Based On Selection :17
Systems Virology
Emerging Viruses
HIV
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,920
14,825
0.744
* Total Citation Counts Rankings
Ranking Based On Selection :18
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,240
13,021
0.677
* Total Citation Counts Rankings
Ranking Based On Selection :19
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,645
6,110
0.328
* Total Citation Counts Rankings
Ranking Based On Selection :20
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,415
11,356
0.617
* Total Citation Counts Rankings
Ranking Based On Selection :21
Host pathogen interactions
B cell immunology
vaccines
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,628
16,448
0.933
* Total Citation Counts Rankings
Ranking Based On Selection :22
Mycobacterium tuberculosis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,842
6,483
0.385
* Total Citation Counts Rankings
Ranking Based On Selection :23
Indian Diaspora
Religion
Hinduism
South Asians
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,538
7,898
0.478
* Total Citation Counts Rankings
Ranking Based On Selection :24
Virology and Child health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,426
15,952
0.971
* Total Citation Counts Rankings
Ranking Based On Selection :25
sleep
thermoregulation
brain
alcohol
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,288
12,400
0.761
* Total Citation Counts Rankings
Rankings
1,776
7
4
Ranking Based On Selection: 1
Bongani M Mayosi
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
133,729
77,601
0.580
* Total Citation Counts Rankings
Rankings
6,518
20
6
Ranking Based On Selection: 2
Shabir A. Madhi
University of the Witwatersrand
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
65,164
43,067
0.661
First interest
Second interest
Vaccinology
Respiratory pathogens
* Total Citation Counts Rankings
Rankings
6,590
21
1
Ranking Based On Selection: 3
Timothy D Noakes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,790
15,068
0.233
Running
Nutrition
Exercise Physiology
Insulin Resistance
Diabetes
* Total Citation Counts Rankings
Rankings
12,803
39
3
Ranking Based On Selection: 4
Yoshan Moodley
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,814
41,007
0.958
Clinical Medicine
Epidemiology
Cancer
Infectious disease
Surgery
* Total Citation Counts Rankings
Rankings
13,886
41
1
Ranking Based On Selection: 5
Suprakas Sinha Ray
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,679
17,698
0.435
* Total Citation Counts Rankings
Rankings
19,523
54
2
Ranking Based On Selection: 6
Lynn Morris
National Institute for Communicable Diseases
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,748
12,986
0.397
* Total Citation Counts Rankings
Rankings
21,880
60
13
Ranking Based On Selection: 7
Alisha Wade
University of the Witwatersrand
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,418
24,940
0.820
* Total Citation Counts Rankings
Rankings
25,959
73
22
Ranking Based On Selection: 8
Dirk Blom
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,213
15,247
0.560
* Total Citation Counts Rankings
Rankings
27,608
75
1
Ranking Based On Selection: 9
Willem Hanekom
Africa Health Research Institute
Somkhele, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,143
14,162
0.542
* Total Citation Counts Rankings
Rankings
28,495
82
3
Ranking Based On Selection: 10
Cheryl Cohen
National Institute for Communicable Diseases
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,599
20,567
0.803
* Total Citation Counts Rankings
Rankings
28,971
86
1
Ranking Based On Selection: 11
Gavin Churchyard
The Aurum Institute NPC
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,304
11,137
0.440
* Total Citation Counts Rankings
Rankings
29,263
88
2
Ranking Based On Selection: 12
Debbie Bradshaw
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,138
11,437
0.455
* Total Citation Counts Rankings
Rankings
30,517
94
16
Ranking Based On Selection: 13
Wendy Stevens|Stevens Wendy S, Stevens W, StevensW.S.
University of the Witwatersrand
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,453
11,611
0.475
* Total Citation Counts Rankings
Rankings
34,413
104
27
Ranking Based On Selection: 14
Carolyn Williamson
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,464
12,324
0.549
* Total Citation Counts Rankings
Rankings
34,450
106
28
Ranking Based On Selection: 15
Midgley JJ
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,447
9,254
0.412
* Total Citation Counts Rankings
Rankings
40,598
124
2
Ranking Based On Selection: 16
Leickness Chisamu Simbayi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,990
6,750
0.338
HIV/AIDS surveillance
HIV-related stigma and discrimination
behavioural interventions
implementation research
Orphaned and
* Total Citation Counts Rankings
Rankings
40,798
127
2
Ranking Based On Selection: 17
Alex Sigal
Africa Health Research Institute
Somkhele, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,920
14,825
0.744
* Total Citation Counts Rankings
Rankings
42,730
134
12
Ranking Based On Selection: 18
Onisimo Mutanga
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,240
13,021
0.677
* Total Citation Counts Rankings
Rankings
44,549
141
5
Ranking Based On Selection: 19
Donald Kurtz
North West University
Potchefstroom, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,645
6,110
0.328
* Total Citation Counts Rankings
Rankings
45,364
146
31
Ranking Based On Selection: 20
Petrus J De Vries
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,415
11,356
0.617
* Total Citation Counts Rankings
Rankings
48,193
153
5
Ranking Based On Selection: 21
Jinal Bhiman
National Institute for Communicable Diseases
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,628
16,448
0.933
* Total Citation Counts Rankings
Rankings
51,171
163
3
Ranking Based On Selection: 22
A Pym
Africa Health Research Institute
Somkhele, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,842
6,483
0.385
* Total Citation Counts Rankings
Rankings
52,446
168
16
Ranking Based On Selection: 23
P. Pratap Kumar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,538
7,898
0.478
* Total Citation Counts Rankings
Rankings
52,915
170
25
Ranking Based On Selection: 24
Vicky Baillie
University of the Witwatersrand
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,426
15,952
0.971
* Total Citation Counts Rankings
Rankings
53,540
176
28
Ranking Based On Selection: 25
Fiona Baker
University of the Witwatersrand
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,288
12,400
0.761