Human papilloma virus (HPV) is a virus spread via vaginal and anal sex and by way of contact with infected skin. Most people infected have no symptoms although it can occasionally display with an outbreak of genital warts. Regular pap smears can detect HPV-induced changes to the cervix. HPV is dangerous because if left untreated, it can lead to cancer. HPV causes 99% of cervical cancers. In 90% of cases, the body’s immune system clears the HPV infection within two years. There is a vaccine available for the most common cancer and genital wart-causing HPV strains.
Hepatitis B is a virus that infects the liver which is found in blood, semen, and vaginal fluid. Sometimes there are no obvious symptoms until damage is done. Later symptoms include jaundice, abdominal pain, fatigue, loss of appetite, and joint pain. Hepatitis B can lead to liver cancer and liver failure. There is a vaccine available to aid in the prevention of Hepatitis B.
Human immunodeficiency virus (HIV) causes acquired immune deficiency syndrome (AIDS) which