A quarantine poster for a victim of smallpox, from the 1910s. Widespread vaccination seriously decre
A quarantine poster for a victim of smallpox, from the 1910s. Widespread vaccination seriously decreased the smallpox infection rate, but there were pockets of smallpox infection in the tropics. There was a serious outbreak in New York as late as 1947 because not enough children had been vaccinated. The disease was finally considered eradicated in 1980.{WHF} {HTE} {Medium} -- source link
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