hello doctor, last month i went to massage
the massage girl help me body massage and give me a handjob (no any sex)
my occupation is a machanic,so my hand always got cuts,wound and scar
after 28days i go blood test hiv ab,tpha and vdrl . result all negative
can i know this 28days negative result can be conclusive? do i need to have blood test in 6 weeks?