CDC: 9,245 coronavirus vaccine breakthough cases in the USA

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It is important to note that reported vaccine breakthrough cases will represent an undercount. This surveillance system is passive and relies on voluntary reporting from state health departments which may not be complete. Also, not all real-world breakthrough cases will be identified because of lack of testing. This is particularly true in instances of asymptomatic or mild illness. These surveillance data are a snapshot and help identify patterns and look for signals among vaccine breakthrough cases.

CDC Vaccine Breakthrough information



Image by Spencer Davis from Pixabay

** This post was originally published on May 1, 2021 **