Is smallpox the same thing as chicken pox, only smaller? In this BrainPOP movie, Tim and Moby teach you all about the smallpox virus. Discover why hundreds of years ago, the virus was able to wipe out entire populations but now is almost completely unheard of. You’ll also find out about the causes, symptoms, and effects of smallpox; how a vaccine was developed, and what would happen if smallpox were used as a biological weapon. If you’re itching for smallpox info, we’ve got you covered!

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