Does Prior Omicron Infection Shield Against Future Infection? Maybe Not

MONDAY, Aug. 21, 2023 (HealthDay News) — People may assume that a COVID-19 infection protects them the next time they encounter the virus, but that’s not necessarily true.

A new study of 750 vaccinated seniors living in retirement homes and long-term care facilities found that those infected during the first omicron wave were actually more vulnerable to reinfection with a later wave.