Since 1996, health care workers who may have been exposed to the HIV virus through an accidental needlestick have been treated with an emergency combination drug treatment. There is no data that proves the medicine prevents a human from becoming HIV-positive, but its effectiveness has been seen in animal studies.
The emergency treatment is now recommended for rape and assault victims, someone who had unprotected sex, and someone who may have experimented with IV drug use.
Some states already follow these guidelines but now with the CDC recommendation, it will be routine practice across the United States.
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