य'स बेराम जाहोग्रा जिउसाफोरखौ इं 1905 मायथाइआव एल्ड' केस्टेलानिआ सिलननि बेरामिफोरनि आल्सारफोराव नागिरना दिहुन्दोंमोन।
The causative agent of yaws was discovered in 1905 by Aldo Castellani in ulcers of patients from Ceylon.