will mosquito ever evolve to a point where the HIV virus could be passed from one bite victim to another?

Answer 1

I'd be more worried about the HIV virus mutating and evolving to allow transmission by mosquitos. Viruses tend to evolve more quickly than large organisms.

Answer 2

As a few others have pointed out, it is mostly possible. The size of Dengue Fever virus or West Nile Virus is only about 40nm (flavi-virus), while HIV virus (retrovirus) is 160nm in size.
If a smaller virus can be transmitter, then why not a bigger one!
However, incubation time and temperature inside the mosquito decreases the virus survival rate for further infection to a different "victim". Until now, it has not been found that HIV can replicate or survive inside the mosquito long enough to infect someone. Furthermore, the sting used by the mosquito does not contain enough blood (actually no blood remains after the "meal") for infection to occur and 2nd, no HIV have been found in mosquito saliva (which is injected into the victim, and is the reason for infection by malaria or dengue fever)

There is however a biting fly, Stomoxys calcitrans L., which is capable of infecting an ape with HIV. The virus does not loose its infecting capabilities after digestion by this fly and is regurgitated during the next meal. (feeding patterns between a fly and a mosquito are different, no regurgitation in a mosquito).

Yes, it makes you wonder.

Answer 3

This is a scenerio that it is possible for a mosquiito to transmit HIV

A mosquito bites and then injects anti coagulant into the wound and then sucks the blood.

If the mosquito only got a little bit of blood from an HIV person, and was brushed off before being full, and still wanted more, When SHE landed on another person, bit and injected, HIV could theorectically be transmitted.

Answer 4

Evolve to that point? The common mosquito wasn't made to transmit diseases. Therefore there would be no reason for them to evolve.. Most evolutional changes are for the better. This dosen't give them any advantage.

Answer 5

HIV would have to evolve, not the mosquito.

Answer 6

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Answer 7

it is possible in the lab, luckily with very low success rate. Scientist in malaysia has done it but did not share the finding with public.

Answer 8

That's not possible.