Lab breakthrough opens way to cure for cold sores
Cold sores, the painful blemishes of the mouth caused by the herpes simplex virus, may become a thing of the past, US researchers reported on Wednesday in the British weekly journal Nature.


PARIS (AFP) - They said they had uncovered a stealth mechanism that enables the virus to hide away in facial nerves before it is revived by a trigger such as excessive sunlight or fever.

The virus, known by its initials as HSV1, can hole up for years, out of reach of any drug, before being roused from dormancy. When it revives, it prompts a sore to return to the same location on the