Posts claim that COVID-19 vaccines deplete the immune system

After news broke over the weekend that former NIAID director Dr. Anthony Fauci was hospitalized with West Nile virus, some vaccine opponents recycled the myth that COVID-19 vaccines are depleting people’s immune systems. Some social media posts speculated that the more vaccine doses a person has received, the higher their risk of contracting COVID-19 and other illnesses. None of these posts provided sources to support this claim. 

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The Public Health Communications Collaborative (PHCC) was formed in 2020 to coordinate and amplify public health messaging on COVID-19 and increase Americans’ confidence in guidance from the Centers for Disease Control and Prevention (CDC) and state and local public health officials.

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