Sexually transmitted diseases (STDs) - Symptoms and causes
Sexually transmitted diseases (STDs) are caused by sexually transmitted infections (STIs). They are spread mainly by sexual contact. STIs are caused by bacteria, viruses or parasites. A …
性传播疾病（STD） - 症状与病因 - 妙佑医疗国际
Jan 5, 2024 · 性传播疾病（STD）是由于性传播感染（STI）引起的，主要通过性接触传播。STI 是由细菌、病毒或寄生虫引起的。性传播感染可以通过血液、精液或阴道和其他体液在人与人 …
Sexually transmitted disease (STD) symptoms - Mayo Clinic
Mar 12, 2024 · Sexually transmitted diseases are infections spread mainly by contact with genitals or bodily fluids. Also called STDs, STIs or venereal disease, sexually transmitted infections are …
Fight coronavirus (COVID-19) transmission at home - Mayo Clinic
Apr 4, 2024 · Fight coronavirus at home by cleaning and disinfecting surfaces that are touched often. Most disinfectants for home use will kill the virus that causes COVID-19.
Ebola transmission: Can Ebola spread through the air?
Mar 24, 2023 · No, the virus that causes Ebola is not transmitted through the air. Unlike a cold or the flu, the Ebola virus is not spread by tiny droplets that remain in the air after an infected …
Hepatitis B - Symptoms and causes - Mayo Clinic
Dec 9, 2025 · Most adults with hepatitis B recover fully, even if their symptoms are bad. Infants and children are more likely to develop a chronic, long-lasting hepatitis B virus infection. A …
Cytomegalovirus (CMV) infection - Symptoms & causes - Mayo …
Jun 17, 2025 · A cytomegalovirus (CMV) infection is a condition caused by a common virus. The CMV virus stays in the body for life after infection. CMV spreads from person to person …
Sexual health STD prevention - Mayo Clinic
Oct 19, 2023 · Sexually transmitted infections (STIs) are usually spread by having unprotected sexual contact with someone who's infected. STIs are also called sexually transmitted …
Syphilis - Symptoms and causes - Mayo Clinic
Vivien Williams: Syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum. Dr. Stacey Rizza, an infectious diseases specialist at Mayo Clinic, says syphilis …
Sex during vaginal infection: Is it harmful? - Mayo Clinic
Jan 28, 2025 · Vaginal infection can make sex painful and raises the risk of sexually transmitted infections. Think about waiting.