Pfizer vaccine linked to lower COVID-19 infection rate in heath workers

Embargoed until: Publicly released: 2021-05-07 11:25

International

Among health care workers at a single center in Israel, those who received the Pfizer-BioNTech COVID-19 vaccine had significantly lower rates of symptomatic and asymptomatic infection more than 7 days after the second dose, compared to those not yet vaccinated. There were just 8 symptomatic coronavirus infections in around 5,500 fully vaccinated health care workers compared to 38 symptomatic cases in around 750 unvaccinated health care workers.

Media release

From: JAMA

Association Between Vaccination With BNT162b2 and Incidence of Symptomatic and Asymptomatic SARS-CoV-2 Infections Among Health Care Workers

What The Study Did: This study estimates the association between Pfizer-BioNTech BNT162b2 vaccination and symptomatic and asymptomatic SARS-CoV-2 infections among health care workers more than seven days after getting a second vaccine dose.

Authors: Ronen Ben-Ami, M.D., of the Tel Aviv Sourasky Medical Center in Israel, is the corresponding author.

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Journal/
conference: JAMA

Research:Paper

Organisation/s: Tel Aviv Sourasky Medical Center, Israel

Funder: Conflict of Interest Disclosures: Dr Angel reported receiving research grants from Pfizer outside the scope of this work. Dr Spitzer reported being partially supported by the Israeli Council for Higher Education via theWeizmann Data Science Research Center and by a research grant from Madame Olga Klein–Astrachan. Dr Ben-Ami reported receiving consulting fees from Pfizer, Gilead, and Merck Sharpe & Dohme outside the scope of this work. No other disclosures were reported.

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