| New data suggests booster doses of COVID-19 vaccines were well-tolerated, Centers for Disease Control and Prevention Director Dr. Rochelle Walensky said Tuesday.
“The frequency and type of side effects were similar to those seen after the second vaccine doses and were mostly mild or moderate and short-lived,” Walensky said during a White House COVID-19 briefing on Tuesday, when she described a new study published in CDC’s Morbidity and Mortality Weekly Report.
As of Sept. 19, 2.21 million people in the United States have received additional doses of COVID-19 vaccine after their primary series, according to the new report. Among them, 22,191 made reports to CDC’s v-safe system, a voluntary, smartphone-based app that lets people report how they feel after they’ve been vaccinated.
Among those 22,191 who made reports, about 7,000 — nearly 32% — reported any health impacts. More than 6,200 — about 28% — reported they were unable to perform normal daily activities, most commonly on the day after vaccination.
The most common complaints were injection site pain (71%), fatigue (56%) and a headache (43.4%). Of those who reported general pain, only about 7% described it as “severe.” Severe was defined as pain that makes “daily activities difficult or impossible.”
Nearly 2% said they sought medical care and 13 people were hospitalized, but it was not clear from the v-safe reports why these people sought medical care or were hospitalized.
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