I'm surprised that song is that old. It's one of the "rounds" we learned while I was in 1st or 2nd grade.
1768 The Empress of Russia was inoculated with a new smallpox vaccine to set an example for her subjects
I'm surprised too that this vaccine was developed that early. Two of my girls have never had the vaccine. It was stopped being given so they've never had that little pox scar on their upper arm.
1928 The first iron lung was used at Boston Children’s Hospital
And now, I think I read where there is only one person left using one. Isn't that the greatest thing ever?
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