For at least 10 months after a Covid-19 infection, your immune system can provide good protection against symptomatic illness the next time around, a new study found, and the risk of severe illness…
Originally Published: 16 FEB 23 18:30 ET — For at least 10 months after a Covid-19 infection, your immune system can provide good protection against symptomatic illness the next time around,The researchers, from the Institute for Health Metrics and Evaluation Covid-19 Forecasting Team, said their study is the largest review yet of available data on the subject. The study, published Thursday in The Lancet, is a meta-analysis that looks at 65 studies from 19 countries.
Unlike with other viral infections like measles or chickenpox, protection from Covid-19 does not last forever, so even people who have this so-called natural immunity will probably still need an annual Covid-19 booster, Murray said. But with natural immunity lasting as long as it does, people don’t probably need to get a shot any more often than once a year, he said.
More research will be needed to find out about those later variants, but Murray believes that protection should be about the same. There’s also the risk of having symptoms that last a long time, called long Covid. Research has found that a more severe illness means a higher chance of“We never know what we’re setting people up for by going out and getting a disease,” said Dr. Claudia Hoyen, an infectious disease specialist and director of pediatric infection control at UH Rainbow Babies and Children’s Hospital in Cleveland, who was not involved in the new study. “It’s always safer to get vaccinated than get sick.
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