Citation Rankings
Highly Cited Researchers

University of Health and Allied Sciences Highly Cited Researchers CitationMedical and Health Sciences / Health Sciences 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
Tanzania
Bruno Sunguya
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
79,651
63,360
0.795
* Total Citation Counts Rankings
Ranking Based On Selection :2
Ghana
Amanda Arthur
pharmacology and pharmaceuticals
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,480
21,777
0.632
* Total Citation Counts Rankings
Ranking Based On Selection :3
Ghana
Seth Owusu Agyei
Malaria research
clinical trials
infectious diseases epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,775
10,337
0.523
* Total Citation Counts Rankings
Ranking Based On Selection :4
Ghana
Robert Kaba Alhassan
Implementation research
patient safety and quality care
staff motivation
health financing
nursing education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,695
15,382
0.980
* Total Citation Counts Rankings
Ranking Based On Selection :5
Ghana
Fred Binka
measurements
malaria
infectious disease
public health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,867
4,336
0.292
* Total Citation Counts Rankings
Ranking Based On Selection :6
Ghana
John Gyapong
Public Health
Epidemiology
Disease Control
Neglected Tropical Diseases
Research Capacity Strenghtening
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,728
4,000
0.341
* Total Citation Counts Rankings
Ranking Based On Selection :7
Tanzania
Mecky Matee
infectious diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,336
4,364
0.422
* Total Citation Counts Rankings
Ranking Based On Selection :8
Tanzania
Ferdinand Mugusi
Internal Medicine
HIV
Tuberculosis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,694
3,229
0.333
* Total Citation Counts Rankings
Ranking Based On Selection :9
Tanzania
Sylvia Kaaya
HIV Mental Health & Psychiatry Practice
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,557
4,015
0.420
* Total Citation Counts Rankings
Ranking Based On Selection :10
Tanzania
Stephen E. Mshana
Clinical Microbiology and Infectious Diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,833
6,253
0.708
* Total Citation Counts Rankings
Ranking Based On Selection :11
Tanzania
Said Aboud
Microbiology and Immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,457
3,880
0.520
* Total Citation Counts Rankings
Ranking Based On Selection :12
Tanzania
Karim Manji
Pediatrics
HIV
Nutrition
Neonatology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,222
3,367
0.466
* Total Citation Counts Rankings
Ranking Based On Selection :13
Tanzania
Julie Makani
Health
Internal Medicine
Haematology
Sickle cell Disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,269
3,892
0.621
* Total Citation Counts Rankings
Ranking Based On Selection :14
Tanzania
Eligius Lyamuya
Immunology of infectious diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,263
1,835
0.293
* Total Citation Counts Rankings
Ranking Based On Selection :15
Ghana
Richard Gyan Aboagye
Public Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,917
5,895
0.996
* Total Citation Counts Rankings
Ranking Based On Selection :16
Ghana
Martin Adjuik
Epidemiology & Biostatistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,706
1,942
0.340
* Total Citation Counts Rankings
Ranking Based On Selection :17
Ghana
Evelyn Korkor Ansah
Epidemiology
Public Health
Malaria
Infectious diseases
Health systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,417
2,573
0.583
* Total Citation Counts Rankings
Ranking Based On Selection :18
Tanzania
Billy Ngasala
Infectious diseases
Therapeutic efficacy studies
antimicrobial resistance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,848
2,554
0.664
* Total Citation Counts Rankings
Ranking Based On Selection :19
Tanzania
Peter Rambau
Cancer Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,840
2,709
0.705
* Total Citation Counts Rankings
Ranking Based On Selection :20
Tanzania
Kisali Pallangyo
Infectious diseases
dermatology and general medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,460
928
0.268
* Total Citation Counts Rankings
Ranking Based On Selection :21
Ghana
Harry Tagbor
Epidemiology
Global Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,353
1,868
0.557
* Total Citation Counts Rankings
Ranking Based On Selection :22
Tanzania
Andrea B. Pembe
Maternal care
quality of care
reproductive health
health systems
implementation research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,098
2,135
0.689
* Total Citation Counts Rankings
Ranking Based On Selection :23
Tanzania
Oscar Ottoman
pathology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,018
616
0.204
* Total Citation Counts Rankings
Ranking Based On Selection :24
Tanzania
Appolinary Kamuhabwa
Malaria in Pregnancy
Neglected Tropical Diseases
Cancer
HIV
Cardiovascular Diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,989
1,109
0.371
* Total Citation Counts Rankings
Ranking Based On Selection :25
Tanzania
Anthony Massinde
Obstetrics&gynaecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,729
1,901
0.697
* Total Citation Counts Rankings
Rankings
4,704
Tanzania
1
1
Ranking Based On Selection: 1
Bruno Sunguya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
79,651
63,360
0.795
Public Health Nutrition
Nutrition epidemiology
Infant and young child feeding
maternal and child health research
HIV and nut
* Total Citation Counts Rankings
Rankings
18,142
Ghana
5
2
Ranking Based On Selection: 2
Amanda Arthur
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,480
21,777
0.632
* Total Citation Counts Rankings
Rankings
41,455
Ghana
8
3
Ranking Based On Selection: 3
Seth Owusu Agyei
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,775
10,337
0.523
Malaria research
clinical trials
infectious diseases epidemiology
* Total Citation Counts Rankings
Rankings
56,590
Ghana
19
5
Ranking Based On Selection: 4
Robert Kaba Alhassan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,695
15,382
0.980
Implementation research
patient safety and quality care
staff motivation
health financing
nursing education
* Total Citation Counts Rankings
Rankings
60,821
Ghana
21
6
Ranking Based On Selection: 5
Fred Binka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,867
4,336
0.292
* Total Citation Counts Rankings
Rankings
82,069
Ghana
27
8
Ranking Based On Selection: 6
John Gyapong
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,728
4,000
0.341
Public Health
Epidemiology
Disease Control
Neglected Tropical Diseases
Research Capacity Strenghtening
* Total Citation Counts Rankings
Rankings
95,459
Tanzania
9
2
Ranking Based On Selection: 7
Mecky Matee
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,336
4,364
0.422
* Total Citation Counts Rankings
Rankings
102,686
Tanzania
12
3
Ranking Based On Selection: 8
Ferdinand Mugusi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,694
3,229
0.333
* Total Citation Counts Rankings
Rankings
104,348
Tanzania
13
4
Ranking Based On Selection: 9
Sylvia Kaaya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,557
4,015
0.420
* Total Citation Counts Rankings
Rankings
114,140
Tanzania
15
1
Ranking Based On Selection: 10
Stephen E. Mshana
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,833
6,253
0.708
* Total Citation Counts Rankings
Rankings
137,660
Tanzania
24
5
Ranking Based On Selection: 11
Said Aboud
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,457
3,880
0.520
* Total Citation Counts Rankings
Rankings
142,484
Tanzania
25
6
Ranking Based On Selection: 12
Karim Manji
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,222
3,367
0.466
* Total Citation Counts Rankings
Rankings
165,070
Tanzania
27
7
Ranking Based On Selection: 13
Julie Makani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,269
3,892
0.621
Health
Internal Medicine
Haematology
Sickle cell Disease
* Total Citation Counts Rankings
Rankings
165,232
Tanzania
28
8
Ranking Based On Selection: 14
Eligius Lyamuya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,263
1,835
0.293
* Total Citation Counts Rankings
Rankings
174,885
Ghana
60
10
Ranking Based On Selection: 15
Richard Gyan Aboagye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,917
5,895
0.996
* Total Citation Counts Rankings
Rankings
181,345
Ghana
64
11
Ranking Based On Selection: 16
Martin Adjuik
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,706
1,942
0.340
* Total Citation Counts Rankings
Rankings
231,888
Ghana
96
13
Ranking Based On Selection: 17
Evelyn Korkor Ansah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,417
2,573
0.583
Epidemiology
Public Health
Malaria
Infectious diseases
Health systems
* Total Citation Counts Rankings
Rankings
262,867
Tanzania
64
12
Ranking Based On Selection: 18
Billy Ngasala
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,848
2,554
0.664
Infectious diseases
Therapeutic efficacy studies
antimicrobial resistance
* Total Citation Counts Rankings
Rankings
263,349
Tanzania
65
2
Ranking Based On Selection: 19
Peter Rambau
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,840
2,709
0.705
* Total Citation Counts Rankings
Rankings
288,145
Tanzania
75
13
Ranking Based On Selection: 20
Kisali Pallangyo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,460
928
0.268
Infectious diseases
dermatology and general medicine
* Total Citation Counts Rankings
Rankings
296,077
Ghana
142
14
Ranking Based On Selection: 21
Harry Tagbor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,353
1,868
0.557
* Total Citation Counts Rankings
Rankings
316,290
Tanzania
87
15
Ranking Based On Selection: 22
Andrea B. Pembe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,098
2,135
0.689
Maternal care
quality of care
reproductive health
health systems
implementation research
* Total Citation Counts Rankings
Rankings
323,193
Tanzania
90
4
Ranking Based On Selection: 23
Oscar Ottoman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,018
616
0.204
* Total Citation Counts Rankings
Rankings
325,818
Tanzania
91
16
Ranking Based On Selection: 24
Appolinary Kamuhabwa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,989
1,109
0.371
Malaria in Pregnancy
Neglected Tropical Diseases
Cancer
HIV
Cardiovascular Diseases
* Total Citation Counts Rankings
Rankings
350,722
Tanzania
102
5
Ranking Based On Selection: 25
Anthony Massinde
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,729
1,901
0.697