. Moderna and Pfizer are developing COVID-19 vaccine booster « JO LEE MAGAZINE

MarketWatch – It looks like Americans may need to roll up their sleeves for a COVID-19 booster shot, though vaccine makers and federal officials are still trying to detect how long immunity to the virus lasts.

In the latest race to the regulatory finish line, Pfizer Inc. is testing its experimental COVID-19 booster shot in combination with its 20-valent pneumococcal conjugate vaccine in older adults, while Moderna Inc. told investors this month that a mid-stage clinical trial showed its investigational booster can help protect against the serious B.1.351 and P.1. variants.

More details at MarketWatch

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