Small-pox was the cause of a greater mortality than yellow fever even before the means of combating the latter had been ascertained.
He introduced a milder and better way of treating fevers - especially small-pox, and gave strong support to the use of specific medicines - especially Peruvian bark.
The most unhealthy period is from 1st May to 31st October, when there are, from time to time, outbreaks of typhoid, small-pox, diphtheria and other epidemics.
When but three years old he had a virulent attack of small-pox which left his face disfigured, and contributed to his father's dislike of him.
The prevailing diseases are cholera, fever, small-pox, ophthalmia, dysentery and those of the skin among the lower classes.