Ancient tooth DNA reveals how 'cold sore' herpes virus has evolved - Nature.com

Teeth from long-dead people and animals are divulging the history of modern-day pathogens.

Researchers found ancient herpes DNA in the teeth of a man from the eighteenth century who was a fervent pipe smoker.Credit: Dr Barbara Veselka Ancient DNA extracted from the teeth of humans who liv… [+6313 chars]

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