Does touching aids-infected blood transmit the virus? if there's no wound in my hand?

Visit these sites for information on HIV transmission: http://www.avert.org/hiv-transmission-prevention/how-you-get-hiv?gclid=CK6P5szPq9ICFVY7gQodxYsGFw https://www.cdc.gov/hiv/basics/transmission.html

Strictly - no. But there are often trivial cuts or abrasions on your skin that MAY allow viral penetration. To be sure, would get a 4th Generation HIV assay in 30 and 90 days after exposure