RIO DE JANEIRO, BRAZIL - According to a report from the U.S. Centers for Disease Control (CDC), fully vaccinated people can spread the pathogen, first discovered in India, as quickly as unvaccinated people.
The Delta variant of the new coronavirus can cause more serious illness than any other known version of the virus and spread as easily as chickenpox, U.S. media reported, citing an internal document from health officials in Washington.
The Centers for Disease Control and Prevention (CDC) document describes unpublished data showing that fully vaccinated people can spread the delta variant, first identified in India, at the . . .