Number of averted COVID-19 cases and deaths attributable to reduced risk in vaccinated individuals in Japan.

ABSTRACT:

Background

In Japan, vaccination against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was initiated on 17 February 2021, mainly using messenger RNA vaccines and prioritizing health care professionals. Whereas nationwide vaccination alleviated the coronavirus disease 2019 (COVID-19)-related burden, the population impact has yet to be quantified in Japan. We aimed to estimate the numbers of COVID-19 cases and deaths prevented that were attributable to the reduced risk among vaccinated individuals via a statistical modeling framework.

Methods

We analyzed confirmed cases registered in the Health Center Real-time Information-sharing System on COVID-19 (3 March-30 November 2021) and publicly reported COVID-19-related deaths (24 March-30 November 2021). The vaccinat

SUBMITTER: Kayano T 

PROVIDER: S-EPMC9366235 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature