In the early 18th century, Lady Mary Wortley Monta...  ...way they controlled smallpox: by a process called variolation . Fifty years before Washington inoculated his tro...

If you have any interest in science and public hea...  ...D when people in Europe started calling it “ variolation ,” from the Latin name for smallpox, Variola...  ...smallpox, Variola. (Later generations used “ variolation ” and “inoculation” interchangea...  ...quo;inoculati...