Sentences with phrase «inoculate against smallpox»

Not exact matches

Donald Hopkins was only 26 when he arrived in Sierra Leone to begin inoculating millions of people against the smallpox virus.

Not only did Washington survive all of these conditions, he knew how to inoculate his army against smallpox, claiming the British tried using as an early form of biological warfare.

It was, after all, Catholic missionaries, mostly Jesuits, who began inoculating Amazon Indians against smallpox in the 1720s.