बुहुमनाङै HIV सनदेरनायनि गुदि राहाया(mode) उलथा आथोननि सोद्रोमाफोरनि गेजेराव आथोनारि सोमोनदोनि जोहै जायो।
The primary mode of HIV infection worldwide is through sexual contact between members of the opposite sex.