Yes, vaccines block most transmission of COVID-19
The latest data show that getting a shot not only protects vaccinated individuals, it reduces the chance they can spread the virus to others.
COVID-19 vaccines have provided an opportunity to slow the spread of the virus and end the pandemic. Now scientists are trying to learn just how much the vaccines can prevent transmission from occurring at all. New data from the CDC shows that COVID-19 infections do occur in vaccinated people, but they appear exceptionally rare.
As of April 14, the Centers for Disease Control and Prevention had received reports that 5,814 fully vaccinated people had developed COVID-19 infections. Nearly half of these infections (45 percent) were in people at least 60 years old. Seven percent of people with breakthrough infections—infections that occur after complete vaccination—were hospitalized and one percent died.
With more than 85 million people in the United
