In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

The term " epidemiology " appears to have first been used to describe the study of epidemics in 1802 by the Spanish physician Villalba in " Epidemiologi a Espan ola " .
The term ' epidemiology ' was first used in 1802 by the Spanish physician Villalba .