Why eight months? What’s behind the timing of the Covid booster shot

By Erika Edwards and Elizabeth Chuck

Read the full article from The New York Times, here.

Federal health officials are expected Wednesday to present evidence for why people are likely to need Covid-19 boosters eight months after their second doses of a vaccine, according to sources with the Centers for Disease Control and Prevention.

The eight-month time frame is most likely based on findings from both the U.S. and abroad looking at how the vaccines have held up over time — and whether they can stand up to the hypertransmissible delta variant of the coronavirus that has overtaken the country.

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