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Tag: vaccine effectiveness


Innovation, Research

Study Confirms mRNA Boosters Extend COVID-19 Protection but Wane Over Time

March 17, 2023

Via: HitConsultant

Vaccine effectiveness provided by boosters waned less against severe disease than against moderate disease in all age groups according to the new study which was conducted by the Centers for Disease Control and Prevention’s (CDC) VISION Network. “While there have […]


Innovation, Research

Study shows waning effectiveness of third dose of mRNA vaccines

February 11, 2022

Via: ScienceDaily

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 […]


Innovation, Research

What do we really know about vaccine effectiveness?

November 2, 2021

Via: The Medical News

The politicization of covid vaccines — and, well, just about everything else having to do with the pandemic — has led to confusion, if not utter fatigue. And some posts circulating on social media — this slickly edited piece on […]