Journal of Okayama Medical Association
Published by Okayama Medical Association<Availability>
Full-text articles are available 3 years after publication.
Permalink : https://ousar.lib.okayama-u.ac.jp/69920
The results of COVID-19 antibody testing studies in Bizen, Japan
Yorifuji, Takashi
Department of Epidemiology, Faculty of Medicine, Dentistry and Pharmaceutical Science, Okayama University
ORCID
Kaken ID
publons
researchmap
Sasaki, Ayako
Kurashiki City Public Health Center
Matsumoto, Naomi
Department of Epidemiology, Faculty of Medicine, Dentistry and Pharmaceutical Science, Okayama University
ORCID
Kaken ID
researchmap
Kadowaki, Tomoka
Center for Public Health Action in Applied Epidemiology, National Institute of Infectious Diseases
Mitsuhashi, Toshiharu
Center for Innovative Clinical Medicine, Okayama University Hospital
Kaken ID
researchmap
Takao, Soshi
Department of Epidemiology, Faculty of Medicine, Dentistry and Pharmaceutical Science, Okayama University
ORCID
Kaken ID
publons
researchmap
Published Date
2025-12-01
Abstract
We conducted two prospective cohort studies (June 2022–March 2023 and Nov 2023–Jan 2024) of 1,899 and 445 residents and other individuals who are affiliated with institutions in the city of Bizen in Japan's Okayama prefecture (population 32,320 as of 2020). We measured the subjects' titers of antibodies against SARS-CoV-2, evaluated changes in their antibody titers, and assessed the associations of the titers with the subjects' vaccination status, infection, and COVID-19 status/severity. This report summarizes the two studies' findings. These prospective studies based on a wide age range in a general population provide information that can be used to determine the appropriate timing of vaccination during a pandemic.
Keywords
COVID-19
ワクチン (vaccination)
抗体価 (antibody titer)
感染 (infection)
Note
原著 (Original Papers)
DOI
ISSN
0030-1558
NCID
AN00032489