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 .