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Saturday, January 26, 2013

How common is HSV-1?

HSV-1, famous for causing cold-sores, seems to be very common:
A 2006 study found evidence of HSV-1 infection in 57.7 percent of American adults, ages 14 to 49. Bryan Cullen, a virologist at Duke University, told me he's seen studies showing that closer to 70 percent of adults are infected — although only something like 1/3rd of those will ever get cold sores.

(via boingboing.net/2013/01/24/fun-science-fact-anne-of-gree.html)
HSV-2, the main cause of genital herpes, on the other hand seems to be much less common, as HSV-2 is sexually transmitted – while HSV-1 is transmitted through normal contact between family members. Less than a fifth of the population seem to have HSV-2, with a sinking number of people are being infected it seems.

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