51�Թ�

Other types of STI include chlamydia, genital warts, genital herpes and trichomoniasis.

In the United States, around one in six people between the ages of 14 and 49 has genital herpes, and over half of adults have oral herpes.

The upcoming study is expected to be observer blinded and placebo-controlled, with the patients including 100 healthy volunteers who do not have any current or past history of symptomatic genital herpes infections.

Syphilis is a bacterial infection that is usually caught by having sex with someone who is infected, and genital herpes is a virus that can be sexually transmitted.

They are known for causing cold sores or genital herpes in some people.