David Gerard on Nostr: Masks work. That's it. That's the science. Masks work. Tell everyone. ...
Masks work.
That's it. That's the science. Masks work. Tell everyone.
https://theconversation.com/masks-work-our-comprehensive-review-has-found-229658
That's it. That's the science. Masks work. Tell everyone.
https://theconversation.com/masks-work-our-comprehensive-review-has-found-229658