Effectiveness estimates of three COVID-19 vaccines based on observational data from Puerto Rico.

ABSTRACT:

Background

On July 15, 2021, with 58% of the population fully vaccinated, the start of a COVID-19 surge was observed in Puerto Rico. On July 22, 2021, the government of Puerto Rico started imposing a series of strict vaccine mandates. Two months later, over 70% of the population was vaccinated, more than in any US state, and laboratory-confirmed SARS-CoV-2 had dropped substantially. The decision to impose mandates, as well as current Department of Health recommendations related to boosters, were guided by the data and the effectiveness estimates presented here.

Methods

Between December 15, 2020, when the vaccination process began in Puerto Rico, and October 15, 2021, 2,276,966 individuals were fully vaccinated against COVID-19. During this period 112,726 laboratory-confirmed

SUBMITTER: Robles-Fontan MM 

PROVIDER: S-EPMC8867062 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature