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Hiv particles in needles

May 7, 2012


I'v heard sharing needles and unprotected sex are the most common ways of transmitting the Hiv virus. I also understood that hiv is hard to get and that little amount of hiv infected blood that comes in direct and immediatly contact with an hiv negative person is no real risk. - here they say that if you squash a mosquito with hiv blood in it on a wound, there is no real risk because the mosquito contains too little hiv blood.

If the mosquito thing is true, how come people get infected in Hiv by sharing needles? is there a lot more blood in the needle than inside the mosquito?

Thanks :)

Response from Dr. Wohl

Yes, the amount of virus in a needle is much higher than in the abdomen of an insect. Needles have an outer surface and an inner surface with empty space. Lots of blood can be on and in a needle not to mention the syringe itself. This is why needle sharing is bad and squishing mosquitoes is just gross.


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