RE: Immunology questions (Round 1)

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Immunology questions (Round 1)

in science •  7 years ago 

My answer to, "No vaccine is 100% effective, so how was smallpox eradicated?"
https://steemit.com/science/@lifeandbiology/no-vaccine-is-100-effective-so-how-was-smallpox-eradicated

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7 years ago by

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