Study finds specific gene linked to cold sore susceptibility

Investigators have identified a human chromosome containing a specific gene associated with susceptibility to herpes simplex labialis (HSL), the common cold sore. Published in the Journal of Infectious Diseases and now available online, the study looks at how several genes may affect the severity of symptoms and frequency of this common infection. The findings, if confirmed, could have implications for the development of new drugs to treat outbreaks.

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