USC PIBBS retweetledi

Booster shots are not just for COVID-19 vaccines. How can a booster vaccine help your body? Learn more from @CDCgov.
CDC@CDCgov
No vaccine, including a #COVID19 vaccine, is 100% effective. Your body’s ability to fight off infection can decrease over time. When this happens, a booster can help your body build back the immunity that has been lost. More: bit.ly/3mrK4Z5.
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