Volume 29, Number 9—September 2023
Dispatch
Infection-Induced SARS-CoV-2 Seroprevalence among Blood Donors, Japan, 2022
Figure 1

Figure 1. Reported COVID-19 cases among the general population and seroprevalence of SARS-CoV-2 among blood donors, Japan. A) Number of reported COVID-19 cases by date of report, 2020–2022. Orange line indicates cumulative number of reported cases per 1 million persons. Green shading indicates survey period. B) Weighted seroprevalence stratified of SARS-CoV-2 among blood donors from November 6–13, 2022, by age group and sex. Error bars represent 95% CIs.
1These senior authors contributed equally to this article.