| Prof. | Liyun | Zhang | Nankai University | Diagnosis of Infectious Diseases | China | Best Researcher Award | |
| Prof. Dr. | Litong | Wang | The Second Hospital of Dalian Medical University | Urinary Tract Infections | China | Best Researcher Award | pencis.com |
| Prof. | Litao | Yang | Shanghai Jiao Tong University | Diagnosis of Infectious Diseases | China | Best Researcher Award | |
| Dr | Lin | Jiang | University of California, Los Angeles | Neuro Infectious Diseases | United States | Best Researcher Award | |
| Dr. | LILIAN | RICCIO | FIOCRUZ | Malaria | Brazil | Best Researcher Award | pencis.com |
| Mr | Leonardo | Corecco | Universidade Federal do Rio Grande do Sul | others | Brazil | Best Research Award | |
| Assoc Prof Dr | Lekan | Popoola | Afe Babalola University | others | Nigeria | Best Researcher Award | |
| Prof. | Leisheng | Zhang | The Fourth People's Hospital of Jinan (The Fourth People's Hospital of Jinan (Shandong Second Medical University) | Immunology of Infections | China | Best Researcher Award | pencis.com |
| Dr | Leili | Abkar | University of British Columbia | Infectious Diseases Prevention, Control and Cure | Canada | Best Researcher Award | |
| Dr | Leila | Farahmand | Motamed Cancer Institute | Vaccines and Vaccination | Iran | Women Researcher Award | |
| Assist. Prof. Dr. | Leila | Abbasi | Shiraz University of Medical Sciences, Shiraz, Iran | Causes and Symptoms of Infectious Diseases | Iran | Best Researcher Award | pencis.com |
| Dr. | leila | yousefi | Tabriz University of Medical Sciences | Antimicrobials, Antibiotics, Antibacterials | Iran | Best Researcher Award | pencis.com |
| Prof. | Lei | Pan | Binzhou Medical University Hospital | Viral Infections and Emerging Viruses | China | Excellence in Innovation | pencis.com |
| Assoc Prof Dr | Legesse Lemecha | Obsu | Adama Science and Technology University | Infectious Diseases Prevention, Control and Cure | Ethiopia | Best Researcher Award | |
| Dr | Lebea | Nthunya | University of the Witwatersrand | Antimicrobial, Antibiotic, Antibacterial Resistance | South Africa | Best Researcher Award | |
| Dr | Laura | Moreno Galarraga | CHN Pediatria | Diagnosis of Infectious Diseases | Spain | Best Research Award | |
| Dr. | Lateef | Busari | Osun State University | Malaria | Nigeria | Best Researcher Award | pencis.com |
| Mr. | Lata Deso | Abo | Haramaya University, Haramaya Institute of Technology | Development of New Vaccines | Ethiopia | Best Researcher Award | pencis.com |
| Dr. | Lasmar | Garba | Lovely Professional University | Mechanism of Resistance | India | Best Researcher Award | pencis.com |
| Prof. | Lang | Bu | China/Sun Yat-sen University/the First Affiliated Hospital | Immunology of Infections | China | Best Researcher Award | pencis.com |