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Why we have cows to thank for the eradication of smallpox

kamalaharisJuly 8, 2022 No Comments can cow pus cure smallpox cow pus to treat smallpox cowpox to treat smallpox cowpox treatment how long did it take to develop the smallpox vaccine smallpox vaccine state the principle behind the eradication of smallpox class 9 what is the difference between cowpox and smallpox

We are lucky to live in a world that is free from smallpox. But how is the disease eradicated? See an extraordinary story.May 8, 1980,…

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