[ad_1] Infection with the Omicron variant of SARS-CoV-2 provides little long-term immunity against other variants in unvaccinated people, according to a study published in the journal Nature. (Also read: South […]
Tag: covid immunity
Who really needs a second COVID booster? Here’s what to know
[ad_1] Many Americans now can get a second COVID-19 booster, but it’s hard to tell who really needs another shot right now and who could wait. The Food and Drug […]