The study, published in The Journal of the American Medical Association, said that “eighty percent of all incident TB cases were found in 22 countries, with more than half the cases occurring in 5 Southeast Asian countries. ”
स्टॆन्फर्ड यूनिवर्सिटी ने एक अध्ययन किया था जिसमें दो ग्रूप के लोगों की जाँच की गई थी ।