Herpes simplex virus type 1,which causes cold sores around the mouth, is present in more than 3.7bn people, and says organization amid push for vaccineTwo-thirds of the world’s population under 50 gain the highly infectious herpes virus that causes cold sores around the mouth,said the World Health Organization in its first estimate of global prevalence of the disease.
More than 3.7 billion people under the age of 50 suffer from the herpes simplex virus type 1 (HSV-1), usually after catching it in childhood, and according to a WHO study published on Wednesday.
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Source: theguardian.com