Incidence of getting HIV from a contaminated needle?

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Multiple Choice

Incidence of getting HIV from a contaminated needle?

Explanation:
Transmitting HIV from a contaminated needle is possible but not common. The best-supported estimate for a single needle-stick exposure to HIV-infected blood is about 0.3%, or roughly 3 in 1000 exposures. This reflects that HIV transmission requires the virus to enter the bloodstream in sufficient quantity and overcome the body's defenses, so the risk is low but real. Factors like how deep the puncture is and the viral load in the source can affect the actual risk, but the standard figure taught is around 0.3%.

Transmitting HIV from a contaminated needle is possible but not common. The best-supported estimate for a single needle-stick exposure to HIV-infected blood is about 0.3%, or roughly 3 in 1000 exposures. This reflects that HIV transmission requires the virus to enter the bloodstream in sufficient quantity and overcome the body's defenses, so the risk is low but real. Factors like how deep the puncture is and the viral load in the source can affect the actual risk, but the standard figure taught is around 0.3%.

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