Bloomberg Law
Vaccines Ward Off Severe Covid in U.S., Wane Against Infections
Covid-19 vaccines remain highly effective at keeping people alive and out of the hospital, but new U.S. data add further support to the argument that the shots aren’t preventing infections as much as they once did. Unvaccinated people were about five times more likely to test positive for the virus than the unvaccinated in the week starting Sept. 26, down from about 15 times less likely in May, according to the latest age-adjusted data from the Centers for Disease Control and Prevention, which were updated Monday.
