Immunogenicity of BNT162b2 and CoronaVac boosters in fully
vaccinated individuals with CoronaVac against SARS-CoV-2: A Longitudinal
Study
Zeynep Ece Kuloğlu1,2,*, Rojbin
El1,2,*, Gülen Guney-Esken2, Yeşim
Tok3, Zeynep Gülçe Talay1,2, Tayfun
Barlas2, Mert Ahmet Kuskucu2,3,
Özgür Albayrak4, Özlem Doğan2,5,
Serap Şimşek Yavuz6, Kenan Midilli3,
Önder Ergönül2,7, Füsun Can2,6,**
1Koc University School of Medicine, Graduate School of
Health Sciences
2Koc University IsBank Research Center for Infectious
Diseases (KUISCID), Istanbul, Turkey
3Cerrahpasa School of Medicine, Department of Medical
Microbiology, Istanbul, Turkey
4Koc University Hospital Research Center for
Translational Medicine
5Koc University School of Medicine, Department of
Medical Microbiology, Istanbul, Turkey
6Istanbul University Capa School of Medicine,
Department of Infectious Diseases and Clinical Microbiology, Istanbul,
Turkey
7Koc University School of Medicine, Department of
Infectious Diseases and Clinical Microbiology, Istanbul, Turkey
*First authors performed equal work in the study.
**Corresponding author, email: fucan@ku.edu.tr