Thursday, 29 October 2015

WHO: Herpes Simplex Type-1 responsible for a high number of genital herpes cases

The WHO has estimated that 3.7 billion people under the age of 50 – or 67% of the population – are infected with herpes simplex virus type 1 (HSV-1).

HSV- 1 was previously considered a mild version of herpes because it normally caused only orolabial herpes (mistaken for fever blisters in Nigeria) unlike HSV-2 which causes the dreaded genital herpes.

Orolabial herpes or cold sores

However, the new WHO estimates have revealed that HSV-1 is also an important cause of genital herpes, with 140 million people aged 15-49 years infected with genital HSV-1 infection.

Commonly, adults are infected with HSV-1 in childhood after "kissing" (oral-oral contact with) an adult that has HSV-1 or who has orolabial herpes or “cold sores” around the mouth.

In January, WHO estimated that 417 million people aged 15-49 years have HSV-2 infection, which causes genital herpes. Taken together, the estimates reveal that over half a billion people between the ages of 15-49 years have genital infection caused by either HSV-1 or HSV-2.
A significant number of people have genital and orolabial herpes caused by HSV-1

HSV-2 is almost entirely sexually transmitted through skin-to-skin contact, causing genital herpes.

With HSV-1 and HSV-2 being highly infectious and incurable, WHO and partners are working to accelerate development of HSV vaccines and topical microbicides, which will have a crucial role in preventing these infections in the future

Meanwhile, young people are encouraged to use condoms for protection from HSV-1 although abstinence is the only way to avoid being infected-- especially when your partner symptoms flare-up.


  1. thanks for the information, very helpull

  2. The initial herpes infection develops two to twenty days after exposure. It may be so mild as to go unnoticed especially in people who have some immunity due to previous facial herpes or cold sores. In some suffers the initial outbreak causes fever, chills, malaise, swollen glands and headaches. Ways to prevent herpes transmission


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