Masks Again? Delta Variant’s Spread Prompts Reconsideration of Precautions.

Los Angeles County and the W.H.O. warned that even immunized people should wear masks indoors. Some scientists agreed, but urged a localized approach.
By Roni Caryn Rabin, Apoorva Mandavilli and Shawn Hubler from NYT Health https://ift.tt/3AaSKaQ
via IFTTT