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risk from blood on the surface

Question: 

Hi, what a helpful group
I have some question in my mind. I have found that you said HIV does not survive long outside the human body and the wound is large enough for virus enter. But i am want to know that excactly how long the virus can live outside the body, Whether the virus dies immediately after leaving the body or it takes a few minutes and and the virus must directly access blood or broken cells.My country's instruction is that the virus can spread if blood gets into the scratch even if it is small so i am very anxious.
what happen if a people bleeding, he took my phone and got blood out there, then I took the phone immediately with a cut in my hand. this case can be transmisson virus ? do i nees take Pep ? i hope you reply soon.
Many thanks

Answer: 

Hello,

Thank you for your inquiry. From what we gather from the question, you were asking about acquiring HIV from blood coming into contact with a scratch. From the information given, this scenario is determined to be Negligible Risk (There are no evidence or no documented cases of transmission).

In order for HIV transmission to occur bodily fluid must have direct access to the bloodstream through a high risk activity.

In this case of blood being transferred to a phone, then onto your hand, may result in HIV transmission only if your cut was actively bleeding/fresh (1). An example of blood being transferred this way could be my cutting each others hands and making a blood oath. In this case though it is unlikely that HIV transmission occurred if the cut was not fresh.

HIV outside of the body or drying HIV causes a rapid (within several hours) 1-2 log (90%-99%) reduction in HIV concentration (2). This essentially means that HIV does not survive long outside the body.

Recommendation: There are no evidence or no documented cases of transmission refer to Physician for more personalized answers.

Regards,

AIDS Vancouver Helpline/Online, Danielle