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Re: HIV infection from dried blood?
06/23/05 07:58 PM
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Here's more to back up my claims from the San Francisco Aids Foundation web site.
Length of time
The length of time HIV can survive outside the body depends on:
the amount of HIV present in the body fluid;
what conditions the fluid is subjected to
In a laboratory, HIV has been kept viable (able to infect) for up to 15 days, and even after the body fluid containing it had dried. However, these experiments involved an extremely high concentration of the virus which was kept at a stable temperature and humidity. These conditions are very unlikely to exist outside of a laboratory. HIV is very fragile, and many common substances, including hot water, soap, bleach and alcohol, will kill it.
Risk of transmission
The chances of becoming infected with HIV by handling a body fluid are extremely small, because that fluid will rarely have access to a person's bloodstream. However, anyone handling blood, semen or vaginal fluids should be careful to avoid touching them with broken skin or getting them into mucous membranes (such as those around the eye). Spills of blood should be mopped up, cleaned with soap and water, then cleaned with bleach. For maximum safety, the person cleaning the spill should also wear latex gloves, and should wash the hands thoroughly after the cleanup.
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