Less than 1% of fully vaccinated people experience a breakthrough Covid-19 infection, analysis finds

Less than 1% of fully vaccinated people experienced a breakthrough infection, according to a Kaiser Family Foundation analysis of official state data.

The federal government only reports data on breakthrough infections that result in hospitalization or death.

According to the latest data from the US Centers for Disease Control and Prevention, less than 0.004% of people who have been fully vaccinated against Covid-19 experienced a breakthrough case resulting in hospitalization, and less than 0.001% have died from the disease. That’s about 6,600 severe breakthrough cases out of more than 163...