CDC reports 5800 COVID-19 infections in fully vaccinated Americans

About 5,800 people who have been vaccinated against coronavirus have become infected anyway, the U.S. Centers for Disease Control and Prevention tells CNN. Some became seriously ill and 74 people died, the CDC said. It said 396 -- 7% -- of those who got infected after they were vaccinated required hospitalization. This is the CDC's first public accounting of breakthrough cases, and the agency is searching for patterns based on patient age and gender, location, type of vaccine, variants and other factors.