त्रपिकोल जायगाफोराव, जेराव एताइपिकोल मायखबेकतेरियानि जाथाया गोबां, तिउबारखुलसिसनङै मायखबेकतेरियानि मोननाया टि.बिनि बेरेखायै माखासे रैखाथि होयो।
In tropical areas where the incidence of atypical mycobacteria is high, exposure to nontuberculous mycobacteria gives some protection against TB.