As people across the world grapple with the prospect of living with the coronavirus for the foreseeable future, one question looms large: How soon before they need yet another shot?
Not for many months, and perhaps not for years, according to a flurry of new studies.
Three doses of a Covid vaccine — or even just two — are enough to protect most people from serious illness and death for a long time, the studies suggest.
For more than a year, the Centers for Disease Control and Prevention has collected data on hospitalizations for Covid-19 in the United States and broken it down by age, race and vaccination status. But it has not made most of the information public.
When the C.D.C. published the first significant data on the effectiveness of boosters in adults younger than 65 two weeks ago, it left out the numbers for a huge portion of that population: 18- to 49-year-olds, the group least likely to benefit from extra shots, because the first two doses already left them well-protected.
"The vast majority of patients -- anywhere from 75% and greater -- we're seeing is primarily unvaccinated individuals who are getting COVID and wind up in the hospital severely ill and are currently dying," Dr. Mahdee Sobhanie, an assistant professor of internal medicine and an infectious diseases physician at The Ohio State University, told ABC News.
Millions of individual Americans’ immune systems now recognize the virus and are primed to fight it off if they encounter omicron, or even another variant.
What are masks doing to our children? In recent months, as frustration with the ongoing pandemic increases, this question has felt particularly relevant.
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