Attenuation of Antibody Titers from 3 to 6 Months after the Second Dose of the BNT162b2 Vaccine Depends on Sex, with Age and Smoking Risk Factors for Lower Antibody Titers at 6 Months

Objective: We aimed to determine antibody titers at six months and their percentage change from three to six months after the second dose of the BNT162b2 coronavirus disease 2019 (COVID-19) mRNA vaccine (Pfizer/BioNTech) and to explore clinical variables associated with titers in Japan. Methods: We...

Full description

Bibliographic Details
Main Authors: Yushi Nomura, Michiru Sawahata, Yosikazu Nakamura, Ryousuke Koike, Otohiro Katsube, Koichi Hagiwara, Seiji Niho, Norihiro Masuda, Takaaki Tanaka, Kumiya Sugiyama
Format: Article
Language:English
Published: MDPI AG 2021-12-01
Series:Vaccines
Subjects:
Online Access:https://www.mdpi.com/2076-393X/9/12/1500