dr. leana wen IP VPX
'I'm confused': Dr. Wen discusses mixed messaging around mask policy
01:45 - Source: CNN
CNN  — 

The US Centers for Disease Control and Prevention issued new guidance on Tuesday that recommended a return to indoor masking, even for vaccinated people, in parts of the country with high and substantial coronavirus spread. The agency also urged that schools require masks for all students, teachers and visitors.

One reason for the change in guidance is growing evidence that vaccinated people may also be able to infect others with the Delta variant of the coronavirus. Therefore, CDC officials advised people who