Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
2,663
Country Rank
209
Institution Rank : 20
![](https://cdn.adscientificindex.com/logos/3649.png)
![United Kingdom](/flags/gb.png)
![Roy Anderson](/user/assets/images/profile/no-profile-photo.png)
Infectious Disease Epidemiology
Biomathematics
Ecology
Parasitology Evolution Alzheimer's Disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105,668
29,798
0.282
* Total Citation Counts Rankings
World Rank
4,443
Country Rank
2,135
Institution Rank : 12
![](https://cdn.adscientificindex.com/logos/11536.jpg)
![United States](/flags/us.png)
![William A Petri Jr PJ D](https://cdn.adscientificindex.com/pictures/df/1682921.jpg)
Infectious diseases
global health
parasitology
immunology
microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
80,178
28,651
0.357
* Total Citation Counts Rankings
World Rank
77,834
Country Rank
32,173
Institution Rank : 73
![](https://cdn.adscientificindex.com/logos/10808.png)
![United States](/flags/us.png)
![David O Freedman](https://cdn.adscientificindex.com/pictures/4b/1702311.jpg)
travel medicine
malaria
parasitology
global health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,919
5,760
0.483
* Total Citation Counts Rankings
World Rank
80,863
Country Rank
6
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/9016.png)
![Nepal](/flags/np.png)
![Ranjit Sah](https://cdn.adscientificindex.com/pictures/b8/473017.jpg)
Infectious Diseases
Neglected Tropical Disease
Bacteriology
Parasitology
Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,550
11,488
0.995
* Total Citation Counts Rankings
World Rank
127,273
Country Rank
49,342
Institution Rank : 233
![](https://cdn.adscientificindex.com/logos/11018.png)
![United States](/flags/us.png)
![David Peterson](https://cdn.adscientificindex.com/pictures/22/1613721.jpg)
Parasitology
Malaria
antigenic variation
placental malaria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,777
1,543
0.198
* Total Citation Counts Rankings
World Rank
172,028
Country Rank
63,668
Institution Rank : 113
![](https://cdn.adscientificindex.com/logos/11529.jpg)
![United States](/flags/us.png)
![Christopher D Huston](/user/assets/images/profile/no-profile-photo.png)
Infectious Diseases
Parasitology
Drug Development
Entamoeba histolytica
Cryptosporidiosis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,830
2,742
0.470
* Total Citation Counts Rankings
World Rank
178,269
Country Rank
63
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/11217.jpg)
![Kenya](/flags/ke.png)
![Wolfgang Richard Mukabana](/user/assets/images/profile/no-profile-photo.png)
Infectious diseases
medical entomology
medical parasitology
vector ecology
epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,622
2,427
0.432
* Total Citation Counts Rankings
World Rank
182,287
Country Rank
66,844
Institution Rank : 173
![](https://cdn.adscientificindex.com/logos/9049.jpg)
![United States](/flags/us.png)
![Patrick Skelly](https://cdn.adscientificindex.com/pictures/5f/1738143.jpg)
Parasitology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,498
1,670
0.304
* Total Citation Counts Rankings
World Rank
183,126
Country Rank
8,379
Institution Rank : 12
![](https://cdn.adscientificindex.com/logos/5664.png)
![Australia](/flags/au.png)
![Jutta Marfurt](/user/assets/images/profile/no-profile-photo.png)
Infectious diseases
parasitology
diagnostics
molecular epidemiology
malaria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,473
2,948
0.539
* Total Citation Counts Rankings
World Rank
202,497
Country Rank
1,491
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/2916.png)
![Iran](/flags/ir.png)
![Hamed Kalani](https://cdn.adscientificindex.com/pictures/25/394716.jpg)
Parasitology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,930
4,793
0.972
* Total Citation Counts Rankings
World Rank
211,625
Country Rank
75,727
Institution Rank : 2,567
![](https://cdn.adscientificindex.com/logos/3215.jpg)
![United States](/flags/us.png)
![Barbara Burleigh](https://cdn.adscientificindex.com/pictures/84/1355528.jpg)
host-pathogen interactions
parasitology
metabolism
gene expression
innate immunity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,711
1,534
0.326
* Total Citation Counts Rankings
World Rank
287,862
Country Rank
98,134
Institution Rank : 472
![](https://cdn.adscientificindex.com/logos/11018.png)
![United States](/flags/us.png)
![Harry W Dickerson](https://cdn.adscientificindex.com/pictures/fc/1613927.jpg)
Comparative immunology
molecular parasitology
fish parasitology
veterinary medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,344
710
0.212
* Total Citation Counts Rankings
World Rank
419,989
Country Rank
680
Institution Rank : 16
![](https://cdn.adscientificindex.com/logos/5144.png)
![Nigeria](/flags/ng.png)
![Olusola Ojurongbe](https://cdn.adscientificindex.com/pictures/95/96434.jpg)
Parasitology
Infectious diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,074
1,243
0.599
* Total Citation Counts Rankings
World Rank
463,184
Country Rank
311
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/4839.png)
![Kenya](/flags/ke.png)
![Michael Muita Gicheru](https://cdn.adscientificindex.com/pictures/b8/93832.jpg)
Immunology
Parasitology
Infectious Diseases
Virology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,810
671
0.371
* Total Citation Counts Rankings
World Rank
553,078
Country Rank
170,594
Institution Rank : 117
![](https://cdn.adscientificindex.com/logos/28368.jpg)
![United States](/flags/us.png)
![Karthigayan Gunalan](https://cdn.adscientificindex.com/pictures/d0/4399312.jpg)
Molecular Parasitology
Epidemiology and Vaccinology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,383
923
0.667
* Total Citation Counts Rankings
World Rank
567,642
Country Rank
3,831
Institution Rank : 447
![](https://cdn.adscientificindex.com/logos/11163.png)
![Malaysia](/flags/my.png)
![Hany Sady](/pictures/f5/353616.jpg)
Molecular Parasitology
Bacteriology
Infectious diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,326
986
0.744
* Total Citation Counts Rankings
World Rank
614,366
Country Rank
1,456
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/6832.png)
![Thailand](/flags/th.png)
![Phunlerd Piyaraj](/pictures/04/434522.jpg)
Infectious disease
Parasitology
Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,161
759
0.654
* Total Citation Counts Rankings
World Rank
677,832
Country Rank
3,345
Institution Rank : 27
![](https://cdn.adscientificindex.com/logos/11330.png)
![Egypt](/flags/eg.png)
![Mohamed Nayel](/pictures/ae/4992912.jpg)
Infectious Diseases
Virology
Bacteriology
Parasitology Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
973
782
0.804
* Total Citation Counts Rankings
World Rank
698,510
Country Rank
3,846
Institution Rank : 81
![](https://cdn.adscientificindex.com/logos/14019.jpg)
![Saudi Arabia](/flags/sa.png)
![Abdulaziz Alouffi](https://cdn.adscientificindex.com/pictures/85/4652136.jpg)
Zoonotic Disease
Infectious Disease
Parasitology
Tick-borne diseases
Vaccinology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
919
903
0.983
* Total Citation Counts Rankings
World Rank
796,006
Country Rank
722
Institution Rank : 99
![](https://cdn.adscientificindex.com/logos/10905.png)
![Ghana](/flags/gh.png)
![Godwin Kwakye Nuako](/pictures/a9/98340.jpg)
Infectious Diseases
Parasitology
NTDs
Medical Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
698
409
0.586
* Total Citation Counts Rankings
World Rank
830,446
Country Rank
983
Institution Rank : 79
![](https://cdn.adscientificindex.com/logos/4839.png)
![Kenya](/flags/ke.png)
![Lucy M. Kamau](/pictures/b8/92653.jpg)
molecular parasitology
microbiology
genomics
vaccinology
vector-borne and infectious diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
631
349
0.553
* Total Citation Counts Rankings
World Rank
904,893
Country Rank
5,802
Institution Rank : 414
![](https://cdn.adscientificindex.com/logos/612.jpg)
![Egypt](/flags/eg.png)
![Ahmed Abdel Rady](/pictures/ec/102793.jpg)
Molecular Diagnosis of Infectious Disease-Veterinary Parasitology-Veterinary Medicine-Camel Infec
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
498
243
0.488
* Total Citation Counts Rankings
World Rank
971,262
Country Rank
4,833
Institution Rank : 23
![](https://cdn.adscientificindex.com/logos/9405.png)
![Colombia](/flags/co.png)
![Ana Elvira Farfán García](/user/assets/images/profile/no-profile-photo.png)
Infectious diseases
molecular biology
bacteriology
parasitology
virology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
396
278
0.702
* Total Citation Counts Rankings
World Rank
1,414,319
Country Rank
15,437
Institution Rank : 653
![](https://cdn.adscientificindex.com/logos/894.png)
![Egypt](/flags/eg.png)
![Abdelmonem Ibrahim](/user/assets/images/profile/no-profile-photo.png)
Infectious Disease
Virology
Bacteriology
Mycology
Parasitology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97
42
0.433
* Total Citation Counts Rankings
World Rank
1,647,339
Country Rank
20,663
Institution Rank : 948
![](https://cdn.adscientificindex.com/logos/894.png)
![Egypt](/flags/eg.png)
![Abdelwahab,Mg](/user/assets/images/profile/no-profile-photo.png)
Infectious Disease
Virology
Bacteriology
Mycology
Parasitology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47
35
0.745
* Total Citation Counts Rankings
World Ranking
2,663
Country Ranking
209
Institution Ranking
20
Roy Anderson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105,668
29,798
0.282
![](https://cdn.adscientificindex.com/logos/3649.png)
Infectious Disease Epidemiology
Biomathematics
Ecology
Parasitology Evolution Alzheimer's Disease
* Total Citation Counts Rankings
World Ranking
4,443
Country Ranking
2,135
Institution Ranking
12
William A Petri Jr PJ D
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
80,178
28,651
0.357
![](https://cdn.adscientificindex.com/logos/11536.jpg)
Infectious diseases
global health
parasitology
immunology
microbiology
* Total Citation Counts Rankings
World Ranking
77,834
Country Ranking
32,173
Institution Ranking
73
David O Freedman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,919
5,760
0.483
![](https://cdn.adscientificindex.com/logos/10808.png)
travel medicine
malaria
parasitology
global health
* Total Citation Counts Rankings
World Ranking
80,863
Country Ranking
6
Institution Ranking
3
Ranjit Sah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,550
11,488
0.995
![](https://cdn.adscientificindex.com/logos/9016.png)
Infectious Diseases
Neglected Tropical Disease
Bacteriology
Parasitology
Microbiology
* Total Citation Counts Rankings
World Ranking
127,273
Country Ranking
49,342
Institution Ranking
233
David Peterson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,777
1,543
0.198
![](https://cdn.adscientificindex.com/logos/11018.png)
Parasitology
Malaria
antigenic variation
placental malaria
* Total Citation Counts Rankings
World Ranking
172,028
Country Ranking
63,668
Institution Ranking
113
Christopher D Huston
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,830
2,742
0.470
![](https://cdn.adscientificindex.com/logos/11529.jpg)
Infectious Diseases
Parasitology
Drug Development
Entamoeba histolytica
Cryptosporidiosis
* Total Citation Counts Rankings
World Ranking
178,269
Country Ranking
63
Institution Ranking
15
Wolfgang Richard Mukabana
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,622
2,427
0.432
![](https://cdn.adscientificindex.com/logos/11217.jpg)
Infectious diseases
medical entomology
medical parasitology
vector ecology
epidemiology
* Total Citation Counts Rankings
World Ranking
182,287
Country Ranking
66,844
Institution Ranking
173
Patrick Skelly
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,498
1,670
0.304
* Total Citation Counts Rankings
World Ranking
183,126
Country Ranking
8,379
Institution Ranking
12
Jutta Marfurt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,473
2,948
0.539
![](https://cdn.adscientificindex.com/logos/5664.png)
Infectious diseases
parasitology
diagnostics
molecular epidemiology
malaria
* Total Citation Counts Rankings
World Ranking
202,497
Country Ranking
1,491
Institution Ranking
4
Hamed Kalani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,930
4,793
0.972
![Adscientificindex](/assets/images/banner_logo.png)
Click for INSTITUTIONAL BULK REGISTRATION and PREMIUM MEMBERSHIP advantages
![Adscientificindex](/assets/images/banner_click.png)
* Total Citation Counts Rankings
World Ranking
211,625
Country Ranking
75,727
Institution Ranking
2,567
Barbara Burleigh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,711
1,534
0.326
![](https://cdn.adscientificindex.com/logos/3215.jpg)
host-pathogen interactions
parasitology
metabolism
gene expression
innate immunity
* Total Citation Counts Rankings
World Ranking
287,862
Country Ranking
98,134
Institution Ranking
472
Harry W Dickerson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,344
710
0.212
![](https://cdn.adscientificindex.com/logos/11018.png)
Comparative immunology
molecular parasitology
fish parasitology
veterinary medicine
* Total Citation Counts Rankings
World Ranking
419,989
Country Ranking
680
Institution Ranking
16
Olusola Ojurongbe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,074
1,243
0.599
![](https://cdn.adscientificindex.com/logos/5144.png)
Parasitology
Infectious diseases
* Total Citation Counts Rankings
World Ranking
463,184
Country Ranking
311
Institution Ranking
22
Michael Muita Gicheru
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,810
671
0.371
![](https://cdn.adscientificindex.com/logos/4839.png)
Immunology
Parasitology
Infectious Diseases
Virology
* Total Citation Counts Rankings
World Ranking
553,078
Country Ranking
170,594
Institution Ranking
117
Karthigayan Gunalan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,383
923
0.667
![](https://cdn.adscientificindex.com/logos/28368.jpg)
Molecular Parasitology
Epidemiology and Vaccinology
* Total Citation Counts Rankings
World Ranking
567,642
Country Ranking
3,831
Institution Ranking
447
Hany Sady
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,326
986
0.744
![](https://cdn.adscientificindex.com/logos/11163.png)
Molecular Parasitology
Bacteriology
Infectious diseases
* Total Citation Counts Rankings
World Ranking
614,366
Country Ranking
1,456
Institution Ranking
4
Phunlerd Piyaraj
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,161
759
0.654
![](https://cdn.adscientificindex.com/logos/6832.png)
Infectious disease
Parasitology
Epidemiology
* Total Citation Counts Rankings
World Ranking
677,832
Country Ranking
3,345
Institution Ranking
27
Mohamed Nayel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
973
782
0.804
![](https://cdn.adscientificindex.com/logos/11330.png)
Infectious Diseases
Virology
Bacteriology
Parasitology Epidemiology
* Total Citation Counts Rankings
World Ranking
698,510
Country Ranking
3,846
Institution Ranking
81
Abdulaziz Alouffi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
919
903
0.983
![](https://cdn.adscientificindex.com/logos/14019.jpg)
Zoonotic Disease
Infectious Disease
Parasitology
Tick-borne diseases
Vaccinology
* Total Citation Counts Rankings
World Ranking
796,006
Country Ranking
722
Institution Ranking
99
Godwin Kwakye Nuako
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
698
409
0.586
![](https://cdn.adscientificindex.com/logos/10905.png)
Infectious Diseases
Parasitology
NTDs
Medical Microbiology
* Total Citation Counts Rankings
World Ranking
830,446
Country Ranking
983
Institution Ranking
79
Lucy M. Kamau
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
631
349
0.553
![](https://cdn.adscientificindex.com/logos/4839.png)
molecular parasitology
microbiology
genomics
vaccinology
vector-borne and infectious diseases
* Total Citation Counts Rankings
World Ranking
904,893
Country Ranking
5,802
Institution Ranking
414
Ahmed Abdel Rady
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
498
243
0.488
![](https://cdn.adscientificindex.com/logos/612.jpg)
Molecular Diagnosis of Infectious Disease-Veterinary Parasitology-Veterinary Medicine-Camel Infec
* Total Citation Counts Rankings
World Ranking
971,262
Country Ranking
4,833
Institution Ranking
23
Ana Elvira Farfán García
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
396
278
0.702
![](https://cdn.adscientificindex.com/logos/9405.png)
Infectious diseases
molecular biology
bacteriology
parasitology
virology
* Total Citation Counts Rankings
World Ranking
1,414,319
Country Ranking
15,437
Institution Ranking
653
Abdelmonem Ibrahim
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97
42
0.433
![](https://cdn.adscientificindex.com/logos/894.png)
Infectious Disease
Virology
Bacteriology
Mycology
Parasitology
* Total Citation Counts Rankings
World Ranking
1,647,339
Country Ranking
20,663
Institution Ranking
948
Abdelwahab,Mg
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47
35
0.745
![](https://cdn.adscientificindex.com/logos/894.png)
Infectious Disease
Virology
Bacteriology
Mycology
Parasitology