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How Long Is HIV Present In Blood

Here's a taste of what has to offer on this topic:
Get the Facts
AIDS InfoNet

Complete Blood Count (CBC)

...Volume (MCV) measures the average volume (size) of individual red blood cells. A low MCV means that the cells are smaller than normal. This is usually caused by an iron deficiency or chronic disease. A high MCV can be caused by HIV medications. This is not dangerous. However, a high MCV can indicate megaloblastic anemia, where red blood cells are large and pale. This is caused by a shortage of folic acid. While the MCV measures the average...
Ask the Experts


I am a gay teen (not out yet) and some friends and I went to a gay club in west hollywood. I had a laminate card that was a V.I.P card used to get in clubs...anywho, one of my friends friend has HIV. He grabbed my laminate card and began to pick his...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...long at all outside the body and certainly not for two months in your wallet! Even if your fingers touched fresh HIV-infected blood, there would be no significant HIV-acquisition risk, assuming the skin on your fingers was intact (i.e. that you... Read more »

Fresh Blood on Skin, what is the risk?

Sir,If I have fresh blood of a HIV infected person on my intact skin am I under real risk of having HIV? Is intact skin is a barrier for HIV. I have read in your forum that having vaginal secretion or semen on intact skin does not posess any real...
Ryan M. Kull, C.S.W

Response from Ryan M. Kull, C.S.W

Columbia University's Health & Related Services
...Intact skin is a barrier to HIV, regardless of the fluids in which it is present. In order for HIV to cause infection, it needs access to the cells of the immune Read more »

What are the chances?

How long does it take for HIV to show up in blood? My girlfriend's ex-boyfriend tested positive last week, and she hasn't been with him in 14 months? She had a test about 12 months ago and it was negative. So even though she tested negative and...
Brooks Jackson, M.D.

Response from Brooks Jackson, M.D.

Johns Hopkins University, School of Medicine
...It is unlikely your girlfriend is HIV positive if she tested negative 2 months after her last exposure to him even if he were positive 14 months ago at the time of Read more »

hiv info

how long do hiv germs survive in a drop of blood as well as on blood stains exposed to air
Ewald Horwath, M.D.

Response from Ewald Horwath, M.D.

University of Miami School of Medicine
...HIV does not survive outside the body very well. It requires intimate contact or injection with a needle to transmit it. Read more »
U.S. Centers for Disease Control and Prevention

HIV Transmission

...of HIV in a body fluid or tissue does not mean that HIV is transmitted by that body fluid or tissue. Only specific fluids (blood, semen, vaginal secretions, and breast milk) from an HIV-infected person can transmit HIV. These specific fluids... Read more »
Project Inform

IRIS: A Concern for People Starting HIV Therapy

...also found in HIV-negative people. However, this publication provides an overview of IRIS within the context of HIV disease. It presents ways to assess your risk and identify the condition. What Is Inflammation? Inflammation means to put... Read more »
U.S. National Institute of Allergy and Infectious Diseases

The Evidence That HIV Causes AIDS

...AIDS also is given to HIV-infected individuals when their CD4+ T-cell count falls below 200 cells/cubic millimeter (mm 3 ) of blood. Healthy adults usually have CD4+ T-cell counts of 600-1,500/mm 3 of blood. In HIV-infected children younger than... Read more »
Gay Men's Health Crisis

Should Gay Men Be Allowed to Donate Blood?

...ago. The committee seemed poised to recommend a change in the gay donation policy, but then the slides on herpes virus 8 were presented. Human herpes virus 8 (HHV-8) is a newly discovered virus thought to be the cause of Kaposi's sarcoma (KS).... Read more »
Connect With Others

Can I catch HIV infection this way?

Posted by Anonymous, 4 Replies
...infected fluid on the seat? Wouldn't I have come into contact with those fluid then, if they had been there. I don't recall ssing blood, so that may be a source of comfort. But what if she had dripped some blood accidently( sometime this happens... Read more »

HIV in dry blood

Posted by Anonymous, 3 Replies
...Does anyone have an idea how long HIV can live outside of the body in blood? Is it 5 min? Is it one hr? Read more »


Posted by Anonymous
...about the other person. I made a stupid mistake which can really hurt my health. I was wondering how long it would take for my blood to show if I had HIV? The last time we were sexually active was about two months ago...if I got tested now... Read more »

blood donation question

Posted by Anonymous, 1 Reply
... If donated blood tests positive for HIV, how long after the donation date will the donor of that blood be notified? Thanks Read more »