When Vaccines Spread Protection
14:47–15:19 · 33s
Nicola Stonehouse explains how live polio vaccines can pass person-to-person, broadening community protection—but the same mechanism can spread mutated, risky strains.
14:47–15:19 · 33s
Nicola Stonehouse explains how live polio vaccines can pass person-to-person, broadening community protection—but the same mechanism can spread mutated, risky strains.
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