Table 3. Top ten institutions with the highest productivity.
| No | Institution | Country affiliation | Number of documents (%) |
|---|---|---|---|
| 1 | Centers for Disease Control and Prevention | United States | 118 (8.3) |
| 2 | Organisation Mondiale de la Sante (World Health Organization) | Switzerland | 45 (3.2) |
| 3 | U.S. Army Medical Research Institute of Infectious Diseases | United States | 40 (2.8) |
| 4 | National Institute of Allergy and Infectious Diseases (National Institutes of Health) | United States | 38 (2.7) |
| 5 | Harvard Medical School | United States | 32 (2.3) |
| 6 | Universidad Cientifica del Sur | Peru | 27 (1.9) |
| 6 | Fundaci0n Universitaria Aut0noma de las Americas | Colombia | 27 (1.9) |
| 7 | Tribhuvan University | Nepal | 25 (1.7) |
| 8 | Emory University | United States | 23 (1.6) |
| 9 | Nigeria Centre for Disease Control | Nigeria | 20 (1.4) |
Institutions with equal number of documents were designated with the same rank.