[Effectiveness of BNT162b2 vaccine to preventing COVID-19 in healthcare personnel].

ABSTRACT:

Objective

To assess the effectiveness of the vaccine against SARS-CoV-2 (BNT162b2) in healthcare personnel of a health department.

Method

Test-negative case̶control study. Healthcare personnel with suspected COVID-19 and healthcare personnel close contacts of COVID-19 cases were included between January 27th and June 6th, 2021. They were PCR tested for SARS-CoV-2; those with positive PCR were considered cases and those with negative PCR were considered controls. The adjusted vaccine effectiveness (aVE) to prevent COVID-19 cases and their 95% confidence interval (95%CI) were calculated using the formula VE=(1-odds ratio)×100.

Results

624 healthcare personnel were included, of which 43 (6.9%) were considered cases and 581 (93.8%) controls. The aVE of the complete regime

SUBMITTER: Chico-Sanchez P 

PROVIDER: S-EPMC8616741 | biostudies-literature | 2022 Sep-Oct

REPOSITORIES: biostudies-literature