Charak Samhita
स यक्ष्मा हुङ्कृतोऽश्विभ्यां मानुषं लोकमागतः। लब्ध्वा चतुर्विधं हेतुं समाविशति मानवान् ॥१२॥
This disease, having been treated by the Ashwin in the celestial world, has come down to the world of mortals (i.e., human beings). Here, it afflicts human beings after being triggered by a four-fold causative factor
english translation
sa yakSmA huGkRto'zvibhyAM mAnuSaM lokamAgataH। labdhvA caturvidhaM hetuM samAvizati mAnavAn ॥12॥
hk transliteration by Sanscript