This recommendation comes after concerns over the Delta variant.
Fully vaccinated are recommended to wear masks indoors again (WHO & LA County). ➡️"The reason you're hearing about masks coming back is basically still to try and slow down the spread of what is clearly a more transmissible #DeltaVariant.” @drsanjaygupta🧵pic.twitter.com/euVMX5Bw24
— Eric Feigl-Ding (@DrEricDing) June 29, 2021