Prior Covid Infection Offers Some Protection Vaccination Still Best Method New Cdc Study
The study, published Wednesday, looked at COVID cases and hospitalizations in California and New York from May to November 2021. The data was collected before boosters became widely available and Omicron surged through the county, according to the study. Researchers looked at four groups of adults aged 18 and older: unvaccinated people with no previously confirmed COVID infection, vaccinated people with no previously confirmed COVID infection, unvaccinated people with a previously confirmed COVID infection and vaccinated people with a previously confirmed COVID infection....