Effectiveness Associated With Vaccination After COVID-19 Recovery in Preventing Reinfection.

ABSTRACT:

Importance

The benefit of vaccination for preventing reinfection among individuals who have been previously infected with SARS-CoV-2 is largely unknown.

Objective

To obtain population-based estimates of the probability of SARS-CoV-2 reinfection and the effectiveness associated with vaccination after recovery from COVID-19.

Design, setting, and participants

This cohort study used Rhode Island statewide surveillance data from March 1, 2020, to December 9, 2021, on COVID-19 vaccinations, laboratory-confirmed cases, hospitalizations, and fatalities to conduct a population-based, retrospective study during periods when wild type, Alpha, and Delta strains of SARS-CoV-2 were predominant. Participants included Rhode Island residents aged 12 years and older who were previously

SUBMITTER: Lewis N 

PROVIDER: S-EPMC9331088 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature