Herd Immunity a Mirage? High Protection Didn't Stop Surges

An estimated 72% of Los Angeles County residents had been vaccinated and/or had been previously infected as of last April, study says, but Delta/Omicron still hit hard.
Medscape Medical News

source https://www.medscape.com/viewarticle/966991?src=rss

Comments

Popular posts from this blog

New AAFP practice guideline sets blood pressure targets for adults with hypertension