First kisses may have helped spread cold sore virus - The Straits Times

The modern strain of the virus has been traced back to around 5,000 years ago. Read more at straitstimes.com.

PARIS (AFP) - The modern strain of the virus that causes cold sores has been traced back to around 5,000 years ago, with researchers suggesting its spread could have been propelled by the emergence o… [+1908 chars]

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