The Lancet has reported that a prior COVID-19 infection is just as effective as two doses of a mRNA vaccine at preventing reinfection and serious illness. Pictured: Protester in Los Angeles rallying ...

Public-health officials in the U.S., unlike their counterparts elsewhere, have steadfastly focused on Covid-19 vaccines in fighting the pandemic, acting as if natural immunity following Covid-19 ...

Decision makers should take both natural immunity and vaccination status into consideration to obtain a full picture of an individual's immunity profile." Since January 2021, several studies and ...

They are the most effective marketing deception in modern wellness. But what is really protecting you from infections?

Largest review and meta-analysis assessing the extent of protection following COVID-19 infection by variant and how durable that protection is against different variants, including 65 studies from 19 ...