Coronavirus crisis manager Prof. Nachman Ash: "We may need to make masks obligatory again in enclosed spaces. I recommend doing so now. It is important that vaccinated people be tested as well, as they can still transmit the virus."
Coronavirus crisis manager Prof. Nachman Ash: "We may need to make masks obligatory again in enclosed spaces. I recommend doing so now. It is important that vaccinated people be tested as well, as they can still transmit the virus."