No AIDS via Mosquitoes
I ran into yet another question which made me wonder why it (the question, not the answer) hadn’t even occurred to me. As icing on the cake, the answer turned out to be even more fascinating. The question? If sharing a needle can spread AIDS, why can’t a mosquito spread it too? They look like “tiny flying syringes”, they pierce the skin, they draw blood, they bite multiple people. Those details are relevant to malaria, why not AIDS? Now for the answer. A syringe is a single tube. Blood goes in, blood comes out. A mosquito’s proboscis, on the other hand, has two tubes. One sucks blood out. The other injects saliva into you (to prevent the blood from clotting). “You’re not getting the last person’s blood. You’re getting mosquito spit.” HIV, the virus that causes AIDS, does not live in spit. Thankfully. In addition, a syringe or a razor blade doesn’t digest anything. It is a neutral surface on which the HIV virus can stay peacefully. A mosquito’s stoma...