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16. Can mosquito bite transmit HIV?

No, it is not possible to get HIV from mosquitoes bite or other biting and sucking insects

Studies conducted by the CDC and elsewhere have shown no evidence of HIV transmission through mosquitoes or any other insects -- even in areas where there are many cases of AIDS and large populations of mosquitoes

The results of experiments and observations of insect biting behavior indicate that when an insect bites a person, it does not inject its own or a previously bitten person's or animal's blood into the next person bitten.

Rather, it injects saliva, which acts as a lubricant so the insect can feed efficiently. HIV lives for only a short time inside an insect and HIV does not reproduce (and does not survive) in insects.

Thus, even if the virus enters a mosquito or another insect, the insect does not become infected and cannot transmit HIV to the next human it bites.

Additional information:

  1. Besides that infected people do not have constantly high levels of HIV in their blood streams.
  2. Second, insect mouth parts retain only very small amounts of blood on their surfaces.
  3. Finally, scientists who study insects have determined that biting insects normally do not travel from one person to the next immediately after ingesting blood. Rather, they fly to a resting place to digest the blood meal.
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