खालीलपैकी एका मार्गाव्यतिरिक्त इतर सर्व मार्गांद्वारे एका व्यक्तीपासून दुसऱ्याला एचआयव्हीचे संक्रमण होते :

HIV spreads through infected body fluids: unprotected sex, shared needles, infected blood, and from mother to child (including breastfeeding). It is not spread by mosquito bites, because the virus cannot survive or multiply in mosquitoes.