COVID-19 Vaccine Protection Among Children Plummets Within Months: CDC Study

Agency says results show why it recommends kids get an updated shot.

Syringes filled with COVID-19 vaccines sit on a table at a COVID-19 vaccination clinic in a file image. Justin Sullivan/Getty Images

Children who received an original COVID-19 vaccine have little protection against hospitalization just months after vaccination, according to a new study from the U.S. Centers for Disease Control and Prevention (CDC).

Children initially have 52 percent protection against hospitalization but that estimated effectiveness plummeted to 19 percent after four months, according to the paper.