1890आव 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'.