| Ms | Agata | Rosińska | Czestochowa University of Technology | others | Poland | Best Researcher Award | |
| Assist Prof Dr | Mosayeb | Rostamian | Kermanshah University of Medical Sciences | Infectious Diseases Prevention, Control and Cure | Iran | Best Researcher Award | |
| Prof Dr | Mahmoud | Roushani | Ilam University | others | Iran | Best Research Award | |
| Mr. | OLAYEMI HAFEEZ | RUFAI | University of San Francisco | Vaccines and Vaccination | United States | Best Researcher Award | |
| Dr | Francieli | Ruiz da Silva | University of Surrey | Vaccines and Vaccination | United Kingdom | Best Research Award | |
| Dr. | Snezhana | Rusinova-Videva | The Stephan Angeloff Institute of Microbiology-BAS | Antimicrobials, Antibiotics, Antibacterials | Bulgaria | Best Researcher Award | pencis.com |
| Assist Prof Dr | Mohamed | Saadh | Middle East University, Amman, Jordan | Infectious Diseases Prevention, Control and Cure | Jordan | Best Researcher Award | |
| Prof Dr | Ruxana | Sadikot | Ruxana T Sadikot, MD, MRCP(UK), Professor of Medicine, University of Nebraska Medical Center | Infectious Diseases Prevention, Control and Cure | United States | Best Researcher Award | |
| Assist Prof Dr | Shahab | Saedi | Azad University of Sanandaj | Antimicrobial, Antibiotic, Antibacterial Resistance | Iran | Best Researcher Award | |
| Dr | Farhad | Safarpoor Dehkordi | Halal Research Center of IRI, FDA, Tehran, Iran. | Infectious Diseases Prevention, Control and Cure | Iran | Excellence Award (Any Scientific field) | |
| Assist Prof Dr | ARPIT | SAHA | Santiniketan Medical College | Infectious Diseases Prevention, Control and Cure | India | Best Research Award | |
| Prof | El-Sayed | Salama | Lanzhou University | others | China | Best Researcher Award | |
| Dr | Sulyman | Salawu | Landmark University | Epidemiology of Emerging and Re-Emerging Infectious Diseases | Nigeria | Excellence Award (Any Scientific field) | |
| Dr | Susana | Salva | Cerela | Immunology of Infections | Argentina | Best Research Award | |
| Ms | Nethmini | Samaradiwakara | Chiang Mai University | Plant Disease Modelling and Parameter Estimation | Sri Lanka | Best Researcher Award | |
| Dr | Karen | Sánchez | UFPel | Immunology of Infections | Brazil | Best Researcher Award | |
| Dr | Samuel | Sanni | Covenant University | Causes and Symptoms of Infectious Diseases | Nigeria | Best Researcher Award | |
| Dr | Mina | Sarani | Zabol University of Medical Science | Infectious Diseases Prevention, Control and Cure | Iran | Best Researcher Award | |
| Dr | Md. Shaheen | Sarkar | Limerick Institute of Technology | Antimicrobials, Antibiotics, Antibacterials | Ireland | Outstanding Scientist Award | |
| Dr | Subhasish | Sarkar | College of Medicine and Sagore Dutta Hospital | Infectious Diseases Prevention, Control and Cure | India | Best Researcher Award | |