Not enough data to support multiple annual COVID boosters, U.S. CDC advisory group says

Not enough data to support multiple annual COVID boosters, U.S. CDC advisers say There is not sufficient evidence to recommend more than one COVID-19 booster shot a year for older people and those with weakened immune systems, an expert advisory group to the U.S. Centers for Disease Control and Prevention (CDC) said on Friday. Aditya Samal Reuters

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The agency currently recommends older and immunocompromised people receive COVID booster shots more frequently since vaccine effectiveness usually wanes faster for those populations compared to younger people with robust immune systems.

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