english: He was interested in a disease called bacillary dysentery, which is a bacterial infection that causes severe diarrhea, and back then, was actually killing a lot of people, because after all, no cure for bacterial infections had been invented.
non_english: Zanimala ga je bolest zvana bacilarna dizenterija, bakterijska infekcija koja izaziva tešku dijareju, i u to vreme je ubijala dosta ljudi, zato što, na kraju krajeva, nije postojao lek za bakterijsku infekciju.