Day: October 4, 2021

Pfizer Covid shot protects people from hospitalization even as effectiveness against infection falls, Lancet study confirms

In this article PFE The effectiveness of Pfizer and BioNTech’s Covid-19 vaccine against infection tumbles over several months, falling from a peak of 88% a month after receiving the two-shot series to 47% six months later, according to an observational study published Monday in the […]