COVID-19 Outbreak (Update: More than 2.9M cases and 132,313 deaths in US)

There is a tremendous amount of disagreement about the value of facemasks. The CDC recommends them and I see it as a "why not?" sort of situation. However, how effective they are against Covid is absolutely an open question.
Right. And to add to that, you can see the actual WHO advice here: https://www.who.int/emergencies/dis...9/advice-for-public/when-and-how-to-use-masks