He brought smallpox with him. Result: the city’s worst epidemic of the “Red Death” in years.* Last week police were called out to control men & women who fought to queue up in immunization ...

Past epidemics may offer some insight into what the future holds. Here’s a look back at some of them. Smallpox is caused by the variola virus, which spreads through skin-to-skin contact or ...

Whenever WHO officials heard of a breakout of smallpox, they would rush into the nearby villages and neighborhoods and vaccinate as much of the population as they could to prevent the epidemic ...