| Prof Dr | Imre | Oláh | Semmelweis University Faculty of Medicine Department of Anatomy, Histology and Emriology | Animal Infectious Diseases, Zoonosis | Hungary | Best Researcher Award | |
| Dr | Fabrício Marcus | Oliveira | Federal University of Minas Gerais | Microbial Pathogenesis and Virulence | Brazil | Best Research Award | |
| Mr | Johnson | Oliyide | Federal University of Agriculture, Abeokuta, Nigeria | others | Nigeria | Best Researcher Award | |
| Mr | Olawale | Olonade | Covenant University | others | Nigeria | Best Researcher Award | |
| Dr. | Ikram | Omar Osman | Caisse Nationale de Sécurité Sociale | Microbial Pathogenesis and Virulence | Djibouti | Best Researcher Award | pencis.com |
| Ms | Amarachi | Onyena | Nigeria Maritime University Okerenkoko | others | Nigeria | Young Scientist Award | |
| Dr | Ochuko | Orakpoghenor | Ahmadu Bello University | Animal Infectious Diseases, Zoonosis | Nigeria | Best Researcher Award | |
| Assoc Prof Dr | mark | osborn | university of minnesota | Infectious Diseases Prevention, Control and Cure | United States | Best Researcher Award | |
| Dr | Olaide | Oyelade | University of KwaZulu-Natal | Diagnosis of Infectious Diseases | South Africa | Best Researcher Award | |
| Assoc Prof Dr | Aclan | Ozder | Bezmialem Vakif University | Diagnosis of Infectious Diseases | Turkey | Best Researcher Award | |
| Dr | tunç | özen | Istanbul Medeniyet University | Pediatric Infectious Diseases, Childhood Infectious Diseases | Turkey | Best Researcher Award | |
| Ms | Berushka | Padayachee | University of Kwa Zulu Natal | Infectious Diseases Prevention, Control and Cure | South Africa | Best Researcher Award | |
| Prof. | Lei | Pan | Binzhou Medical University Hospital | Viral Infections and Emerging Viruses | China | Excellence in Innovation | pencis.com |
| Assist Prof Dr | CHELLASAMY | PANNEERSELVAM | University of Tabuk | Animal Infectious Diseases, Zoonosis | Saudi Arabia | Best Research Award | |
| Dr | Alavikunhu | Panthakkan | University of Dubai | Infectious Diseases Prevention, Control and Cure | United Arab Emirates | Best Researcher Award | |
| Prof Dr | Hyun Jin | Park | KOREA UNIVERSITY | Antimicrobials, Antibiotics, Antibacterials | South Korea | Best Researcher Award | |
| Dr | Thaigarajan | Parumasivam | Universiti Sains Malaysia | Antimicrobials, Antibiotics, Antibacterials | Malaysia | Best Researcher Award | |
| Dr | Priyadarshini | Pattanaik | IMT Atlantique, LaTIM U1101 INSERM , Brest, France | Infectious Diseases Prevention, Control and Cure | France | Best Researcher Award | |
| Dr | Sladjana | Pavic | General Hospital Uzice | Animal Infectious Diseases, Zoonosis | Serbia | Best Researcher Award | |
| Dr | Carolina | Pellegrini | University of Pisa | others | Italy | Best Researcher Award | |