Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
448,283
Country Rank
2,507
Institution Rank : 258
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![South Africa](/flags/za.png)
![Janet Mans](https://cdn.adscientificindex.com/pictures/82/99953.jpg)
gastroenteritis
norovirus epidemiology
environmental virology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
21
0.677
* Total i10 Index Rankings
World Rank
459,814
Country Rank
2,576
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/7703.png)
![South Africa](/flags/za.png)
![Rosemary Burnett](https://cdn.adscientificindex.com/pictures/ab/89630.jpg)
Hepatitis B virus
vaccination of healthcare workers
HBV/HIV co-infection
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
23
0.767
* Total i10 Index Rankings
World Rank
587,433
Country Rank
3,270
Institution Rank : 522
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Gillian Watermeyer](/user/assets/images/profile/no-profile-photo.png)
IBD
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
* Total i10 Index Rankings
World Rank
977,244
Country Rank
6,024
Institution Rank : 48
![](https://cdn.adscientificindex.com/logos/11848.png)
![South Africa](/flags/za.png)
![Eugene Jamot Ndebia](https://cdn.adscientificindex.com/pictures/ec/97334.jpg)
Cancer Epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
4
0.444
* Total i10 Index Rankings
World Rank
1,319,342
Country Rank
9,581
Institution Rank : 1,174
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Dion Levin](/user/assets/images/profile/no-profile-photo.png)
Upper Gastrointestinal Pathology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
1
0.250
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
448,283
![South Africa](/flags/za.png)
2,507
![](https://cdn.adscientificindex.com/logos/11299.jpg)
258
Janet Mans
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
21
0.677
![](https://cdn.adscientificindex.com/logos/11299.jpg)
gastroenteritis
norovirus epidemiology
environmental virology
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
459,814
![South Africa](/flags/za.png)
2,576
![](https://cdn.adscientificindex.com/logos/7703.png)
11
Rosemary Burnett
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
23
0.767
![](https://cdn.adscientificindex.com/logos/7703.png)
Hepatitis B virus
vaccination of healthcare workers
HBV/HIV co-infection
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
587,433
![South Africa](/flags/za.png)
3,270
![](https://cdn.adscientificindex.com/logos/10906.jpg)
522
Gillian Watermeyer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
977,244
![South Africa](/flags/za.png)
6,024
![](https://cdn.adscientificindex.com/logos/11848.png)
48
Eugene Jamot Ndebia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
4
0.444
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,319,342
![South Africa](/flags/za.png)
9,581
![](https://cdn.adscientificindex.com/logos/10906.jpg)
1,174
Dion Levin
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
1
0.250
![](https://cdn.adscientificindex.com/logos/10906.jpg)
Upper Gastrointestinal Pathology