*C.D.C. Internal Report Calls Delta Variant as Contagious as Chickenpox
Infections in vaccinated Americans are rare, compared with those in unvaccinated people, the document said. But when they occur, vaccinated people may spread the virus just as easily
"I think people need to understand that we're not crying wolf here. This is serious," she told CNN.
"It's one of the most transmissible viruses we know about. Measles, chickenpox, this -- they're all up there."