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Originally Posted by its_not_fair
I don't know why they can't cure Herpes??? Why is it so hard?? Is there ever going to be a chance in this lifetime??
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The Herpes virus literally hides away deep inside the nervous tissue at the base of the spine in the 'nerve ganglion' (if you have HSV-2). This is the tricky thing, because blood vessels do not actually enter this region of the body, so no medicines nor anti-bodies can attack the herpes while it is here.
When you take Valtrex, the medicine travels through your bloodstream and interferes with the Herpes replication process to render it harmless (so it can't infect any of your cells). The thing is, though, that the anti-virals can only get to the virus when it leaves the nerves and is on its way to the skin (and therefore crosses through blood vessels). Otherwise, they don't have access to the nerve ganglion in order to erradicate it. If they could reach the nerve ganglion, then the virus would be completely destroyed.
So basically, that is why we are stuck. We just have no way to reach the virus while it is hiding inside of the nerve tissues no matter what we do. Its not an issue of being able to destroy the virus, but an issue of getting to it in the first place. It is for this reason that we will never have a cure to completely wipe this from the body completely (at least not in this lifetime).
What they would need to do is engineer some sort of counter-virus with the ability to travel along the nerve pathways which is programmed to attack and destroy the Herpes that is hiding there. This is no easy task, and we are nowhere near being able to pull it off with current technology. So as for a complete cure? Don't hold your breath, you are pretty much stuck with this for life, they aren't lying.
Right now there are two methods of treating this disease. The first way is to stop transmission through vaccination of uninfected people and through the use of microbicides (liquid condoms that will destroy the virus if applied before sex). The other way is a sort of therapeutic vaccine which you would have to get constant injections of...which would promote the increased production of a certain type of anti-body which has been found to be the most effective at fighting off the virus when it activates.
So thats pretty much the gist of things...why we can't completely cure it, and what we can do to treat it. So in short, don't think there are any magic pills out there that we just haven't found yet, the biology of the disease is what makes its complete erradication physically impossible. Not the drug companies or some huge FDA conspiracy.