Study Reveals ‘Dramatic’ Decline In All Three COVID-19 Vaccines’ Efficacy Over Time

A study which analyzed the records of nearly 800,000 US veterans of all ages found that the three main Covid-19 vaccines experienced ‘dramatic’ drops in efficacy over six months, according to the LA Times. Between early March and Septemper, as the Delta variant rapidly became the dominant strain worldwide, the ability of Moderna’s two-dose vaccine to prevent infections … Continue reading Study Reveals ‘Dramatic’ Decline In All Three COVID-19 Vaccines’ Efficacy Over Time