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Viral Sexually Transmitted Infections

HIV, herpes and hepatitis B are examples of viral sexually transmitted diseases.

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Viral Sexually Transmitted Infections

How long does a viral STI last?

This is the Human Papilloma Virus, which causes a viral STI. Viral STIs can be especially dangerous, as they cannot be cured. Once you get one, it's yours for life. And also, it's the person's you give it to.

Viral STIs

STIs caused by viruses include genital herpes, hepatitis B, genital warts, and HIV/AIDS. Whereas bacterial STIs can usually be cured with antibiotics, viral STIs cannot be cured.

Genital Herpes

Genital herpes is an STI caused by a herpes virus. In the United States, as many as one in four people are infected with the virus. Symptoms of genital herpes include painful blisters on the genitals (see Figure below). The blisters usually go away on their own, but the virus remains in the body, causing periodic outbreaks of blisters throughout life. Outbreaks may be triggered by stress, illness, or other factors. A person with genital herpes is most likely to transmit the virus during an outbreak.

Genital Herpes blister

Blisters like these on the genitals are a sign of genital herpes.

Hepatitis B

Hepatitis B is inflammation of the liver caused by infection with the hepatitis B virus. In many people, the immune system quickly eliminates the virus from the body. However, in a small percentage of people, the virus remains in the body and continues to cause illness. It may eventually damage the liver and increase the risk of liver cancer, which is usually fatal.

Genital Warts and Cervical Cancer

Infections with the human papillomavirus (HPV) are very common. HPV may cause genital warts, which are small, rough growths on the genitals. It may also cause cancer of the cervix in females. A simple test, called a Pap test, can detect cervical cancer. If the cancer is detected early, it usually can be cured with surgery. There is also a vaccine , GARDASIL, to prevent infection with HPV. The vaccine is recommended for females aged 11 to 26 years.


  • Viral STIs include genital herpes, hepatitis B, genital warts, and cervical cancer.
  • Viral STIs cannot be cured, but some of them can be prevented with vaccines.


  1. Name and describe an STI caused by a virus.
  2. Discuss treatment for the human papillomavirus.
  3. Compare and contrast bacterial and viral STIs with regard to their treatment, cure, and prevention.

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cervical cancer Cancer that starts in the cervix, the lower part of the uterus.
genital herpes Sexually transmitted infection caused by a herpes virus; characterized by periodic outbreaks of blisters on the genitals.
genital warts Small, rough growths on the genitals caused by a sexually transmitted infection with human papillomavirus (HPV).
hepatitis B Inflammation of the liver caused by infection with hepatitis B virus; often transmitted through sexual contact.
HIV/AIDS Disorder characterized by frequent opportunistic infections; eventually develops in people who are infected with human immunodeficiency virus (HIV).
human papillomavirus (HPV) Sexually transmitted virus that causes genital warts and cervical cancer.
Pap test Procedure that checks for changes in the cells of your cervix; also called a Pap smear.

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