This article talks about HIV in India & how that particular strain is evolving. These sites talk about about strains & subtypes. (1, 2) There's a lot of info on these sites about HIV & it's various forms. The point of the original article is that HIV is adapting. It's changing to better do what it does: replicate & spread.
They've spotted at least 3 new strains. This is immense. The newer strains are better at promoting copies of themselves within the body. We've allowed HIV to continue for so long that it has had enough time to adapt & become more deadly. The longer HIV has to spread & the more environmental factors it's exposed to, the more it will evolve.
This could be a huge potential threat to disease management. Any of these mutations could result in the virus becoming more or totally resistant to current medical regimens. This is all the more reason to support education, prevention, testing & treatment. It's the only way to stop HIV.
Cya...
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