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Vaccine Protection May Diminish Need For Yearly Boosters

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FILE - In this Wednesday, March 31, 2021 file photo, Cole Smith receives a Moderna variant vaccine shot from clinical research nurse Tigisty Girmay at Emory University's Hope Clinic in Decatur, Ga. As of June 2021, scientists have found clues that the world’s leading COVID-19 vaccines offer lasting protection that could diminish the need for frequent booster shots, but they caution that more research is needed and that virus mutations are still a wild card. (AP Photo/Ben Gray, File)

(AP)–The world’s leading COVID-19 vaccines may offer lasting protection that diminishes the need for frequent booster shots. That’s according to scientists, who are finding clues in how the body remembers viruses. But they say more research is needed and that virus mutations are still a wild card.

Pfizer and Moderna have fueled booster questions by estimating that people might need yearly shots, just like with flu vaccinations. The companies plan to have some candidates ready this fall. But companies won’t decide when boosters get used. That’s up to health authorities in each country. Some experts say boosters may be needed only every few years.

 

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