Tag: 3rd dose

Industry, Vaccines

First study to show waning effectiveness of 3rd dose of mRNA vaccines

February 11, 2022

Via: World Pharma News

A nationwide study from the U.S. Centers for Disease Control and Prevention (CDC) is the first to show that immunity against severe COVID-19 disease begins to wane 4 months after receipt of the third dose of an mRNA vaccine (Pfizer […]