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A History of Vaccination
4m 48s
/ TV-PG
Vaccination began as a traditional therapy over a thousand years ago.
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Video description: Bats have been implicated in deadly epidemics such as COVID-19 and Ebola, yet scientists are discovering evidence that they may hold a key to a longer and healthier life. From caves in Thailand and Texas to labs around the globe, NOVA meets the scientists who are decoding the superpowers of the bat.
Science shows it’s a small world after all—and nature’s networks follow a similar pattern.
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