Canadian Curmudgeon on Nostr: ...
https://www.thestar.com/news/canada/watch-what-happens-when-not-enough-people-are-protected-from-measles/article_391bb3dc-e716-11ee-a91f-8b087d9777db.html
Watch what happens when not enough people are protected from measles
This animation shows how quickly measles can spread in an unprotected community and why it’s important to have high rates of immunity.
Watch what happens when not enough people are protected from measles
This animation shows how quickly measles can spread in an unprotected community and why it’s important to have high rates of immunity.