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We asked experts about the right time to get vaccinated and how long coverage will last.
By Dani Blum
The Food and Drug Administration approved updated Covid-19 vaccines on Thursday, paving the way for them to arrive soon at pharmacies, doctors’ offices and gyms. The Centers for Disease Control and Prevention said it would recommend that adults and children six months and older get up-to-date vaccines. Here’s what you want to know.
The FDA has approved a Pfizer vaccine and a Moderna vaccine. Representatives of pharmaceutical corporations said their vaccines could be shipped without delay after approval.
Both vaccines target KP. 2, a strain of the coronavirus that began spreading widely this spring. The most prevalent variants in the United States right now are very similar to KP. 2 and therefore are protected by vaccines.
“When the match is very good, as we anticipate with existing circulating strains, you get genuine coverage against infection for several months,” said Dr. Paul Sax, clinical director of the infectious diseases department at Brigham and Women’s. Boston Hospital.
The vaccine that was rolled out last fall, on the other hand, targeted an older variant that has since lost steam.
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