| Prof Dr | Omar | Kherad | Hôpital de la Tour | Infectious Diseases Prevention, Control and Cure | Switzerland | Best Researcher Award |
| Assist Prof Dr | Om | Prakash | National Centre for Cell Science, Pune, India | Antimicrobial, Antibiotic, Antibacterial Resistance | India | Best Research Award |
| Mr | Oluwasegun | Adekoya | Federal University of Agriculture, Abeokuta | Global Trends in Emerging Infectious Diseases | Nigeria | Best Researcher Award |
| Dr | Oluwafemi | Balogun | University of eastern finland | Infectious Diseases Prevention, Control and Cure | Finland | Best Researcher Award |
| Assoc Prof Dr | Olga | Nunes | Faculty of Engineering, University of Porto | Antimicrobial, Antibiotic, Antibacterial Resistance | Portugal | Best Researcher Award |
| Mr | OLAYEMI HAFEEZ | RUFAI | University of San Francisco | Vaccines and Vaccination | United States | Best Researcher Award |
| Mr | Olawale | Olonade | Covenant University | others | Nigeria | Best Researcher Award |
| Dr | Olaide | Oyelade | University of KwaZulu-Natal | Diagnosis of Infectious Diseases | South Africa | Best Researcher Award |
| Dr | Ochuko | Orakpoghenor | Ahmadu Bello University | Animal Infectious Diseases, Zoonosis | Nigeria | Best Researcher Award |
| Assist. Prof. Dr. | O. Alejandro | Aleuy | Florida Atlantic University | others | United States | Best Researcher Award |
| Dr | Nuria | Vázquez | Consejo Nacional de Investigaciones Científicas y Tecnicas | Diagnosis of Infectious Diseases | Argentina | Best Researcher Award |
| Dr | Nourridine | Siewe | Rochester Institute of Technology | Infectious Diseases Prevention, Control and Cure | United States | Best Researcher Award |
| Prof | Nourhene | Boudhrioua | ISBST | Infectious Diseases Prevention, Control and Cure | Tunisia | Best Research Award |
| Assist Prof Dr | Noureddine | Chaachouay | Hassan Premier University | Animal Infectious Diseases, Zoonosis | Morocco | Best Researcher Award |
| Prof Dr | Nour Shafik | El-Gendy | Egyptian Petrol. Res. Institute | others | Egypt | Women Researcher Award |
| Mrs | noorul hidayah | yusoff | SEPANG NATIONAL YOUTH HIGH SKILL INSTITUTE | others | Malaysia | Best Researcher Award |
| Dr | Noha | Habashy | Alexandria university | Treatment for Infectious Diseases | Egypt | Best Researcher Award |
| Assist Prof Dr | Niyaz | Ahmad | Imam Abdulrahman Bin Faisal University | Neuro Infectious Diseases | Saudi Arabia | Best Researcher Award |
| Assist Prof Dr | Niramon | Thamwiriyasati | Faculty of Allied Health Sciences, Burapha University | Microbial Forensics and Molecular Basis of Bacteria | Thailand | Best Researcher Award |
| Prof Dr | Nipon | Pisutpaisal | King Mongkut's University of Technology North Bangkok | Microbial Forensics and Molecular Basis of Bacteria | Thailand | Best Research Award |