‘Real world’ study by CDC shows Pfizer and Moderna vaccines were 90% effective

‘Real world’ study by CDC shows Pfizer and Moderna vaccines were 90% effective – STAT

Original Study: Interim Estimates of Vaccine Effectiveness of BNT162b2 and mRNA-1273 COVID-19 Vaccines in Preventing SARS-CoV-2 Infection Among Health Care Personnel, First Responders, and Other Essential and Frontline Workers — Eight U.S. Locations, December 2020–March 2021 – Centers for Disease Control and Prevention

Commentary on Twitter (thread – Click for more)

https://twitter.com/hildabast/status/1376648088878608386