RT @AstroKatie
As a reminder, here are the latest recommendations from @WHO about covid, which today they acknowledged is still a Public Health Emergency of International Concern: https://www.who.int/news/item/13-01-2023-who-updates-covid-19-guidelines-on-masks--treatments-and-patient-care Notably, masks recommended for *everyone* in crowded, enclosed, or poorly ventilated spaces https://twitter.com/who/status/1619989925319045121