9 ms·

Can someone please clarify for me what is the implication if Covid is airborne? Does it mean that masks and social distancing were actually useful? Or the oppo

• sofixa 4y ago
  Not an epidemiologist, but from what i understood in this article and others, yes, masks were and still are extremely useful. Social distancing less so, especially in closed locations ( because airborne means it can spread anywhere if the ventilation isn't good, unlike with droplets that had a limited range).
• hassancf 4y ago
  Masks (N95 or equivalent) are useful because they filter out the virus. Closed spaces: ventilation or HEPA filters are necessary. Think of cigarette smoke: if you can smell it, you’d get the virus
• usrusr 4y ago
  It means that hand washing was wildly overrated and that 1.5m are no substitute for masks at all.