Basic Fact Sheet Detailed Version. Basic fact sheets are presented in plain language for individuals with general questions about sexually transmitted diseases. The content here can be syndicated added to your web site. Genital herpes is an STD caused by two types of viruses. Oral herpes is usually caused by HSV-1 and can result in cold sores or fever blisters on or around the mouth. However, most people do not have any symptoms.
HSV-1 is the main cause of herpes infections on the mouth and lips, including cold sores and fever blisters. It is transmitted through kissing or sharing drinking glasses and utensils. HSV-2 is spread through sexual contact. Often symptoms are triggered by exposure to the sun, fever, menstruation, emotional stress, a weakened immune system, or an illness. There is no cure for herpes, and once you have it, it is likely to come back.
Many herpesviruses infect only a few animal species. Elephants also have their own spectrum of herpesviruses, which can cause infections that end in death. Asian elephants are carriers of virus types1, 4 and 5, while African elephants carry types 2, 3 and 6. Type 1 is particularly dangerous for young Asian elephants and has led to numerous deaths in the wild and in zoos worldwide.
More than 3. Herpes simplex virus is categorized into 2 types: herpes simplex virus type 1 HSV-1 and herpes simplex virus type 2 HSV HSV-2 is almost entirely sexually transmitted through skin-to-skin contact, causing genital herpes. The new estimates highlight, however, that HSV-1 is also an important cause of genital herpes. Some million people aged years are infected with genital HSV-1 infection, primarily in the Americas, Europe and Western Pacific.