Herpes Virus Follows Human Migration Patterns

The virus that causes herpes simplex has plagued man for a long time. So long, in fact, that researchers were able to sequence its genetic code to confirm that it follows the “out-of-Africa” pattern of human migration. The herpes simplex virus type 1 (HSV-1), usually causes nothing more severe than cold sores around the mouth, but it is very common with some 90 percent of American adults having been exposed. Researchers compared 31 strains of HSV-1 collected in North America, Europe, Africa ...

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