The vast majority of the COVID-19 hospitalizations in the spring were among vaccinated people, according to a study from the U.S. Centers for Disease Control and Prevention (CDC).
Researchers analyzed data from the COVID-19–Associated Hospitalization Surveillance Network, a CDC surveillance network comprised of hospitals in 14 states.
From March 20 to May 31, there were 1,228 COVID-19-associated hospitalizations in the hospitals. Of those, a plurality—44.1 percent—were people who had received at least one booster dose of a COVID-19 vaccine on top of a primary series, including 45 patients with two or more boosters.
Another 24.3 percent were people who received a primary series and no booster. Only 27.8 percent were unvaccinated, or had no record of having received a vaccine….