1890 आव कसआ तिउबारकल बासिलिनि मोनसे ग्लिसिरिन बिदै दिहुननायखौ तिउबारकुलिन मुं होनानै तिउबारकुलसिसनि थाखाय मोनसे 'फाहाम - राहा' महरै फोसावदोंमोन ।
Koch announced a glycerin extract of the tubercle bacilli as a remedy for tuberculosis in 1890 calling it 'tuberculin' .