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Covid boosters in the fall? As calls grow for third shots, here’s what you need to know

Covid boosters in the fall? As calls grow for third shots, here’s what you need to know

Coronavirus vaccine booster shots will likely be needed in the fall, according to experts, who are urging governments to organize them now. It comes as the Delta variant of the coronavirus, first identified in India, continues to spread rapidly across the world.

Some countries, like the U.S. and U.K., have already signaled that they could roll out Covid-19 booster shots within a year. Now, pressure is building on governments to mobilize booster shot programs — no easy task given the ongoing uncertainties surrounding the pandemic, vaccines and variants. However, concrete plans for Covid-19 booster shots are lacking. Dr. Peter Marks, director of the FDA’s Center for Biologics Evaluation and Research, last month said it was, “just something we’re gonna have to figure out as we go.”

First of all, there are question marks over whether we actually need a third dose of any Covid-19 vaccine given that we don’t know how long immunity currently lasts. In the U.S. and U.K. the shots being used are those from Pfizer-BioNTech, Moderna and Johnson & Johnson, with the U.K. also relying heavily on the AstraZeneca-Oxford University vaccine. WHO officials also said last week that there were reports the delta variant caused more severe symptoms, but that additional research was needed to confirm those conclusions. Still, there are signs that the delta strain could provoke different symptoms than other variants.

Covid boosters in the fall? As calls grow for third shots, here’s what you need to know, CNBC, Jun 23

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