
Infection: Bacterial or viral? - Mayo Clinic
2023年2月4日 · Viruses. Viruses are bits of genetic information, either RNA or DNA, surrounded by protein. A virus needs a living host, such as a person, plant or animal. To spread, a virus …
Germs: Protect against bacteria, viruses and infections
2024年3月5日 · Viruses are responsible for causing many diseases, including: Common cold. Influenza. Measles. Chickenpox and shingles. Coronavirus disease 2019, also called COVID …
Influenza (flu) - Symptoms and causes - Mayo Clinic
2025年1月28日 · Influenza viruses are constantly changing, with new strains appearing often. A person's first flu infection gives some long-term protection against similar strains of flu. But the …
Diarrhea - Symptoms and causes - Mayo Clinic
2025年1月18日 · Viruses. Viruses that can cause diarrhea include Norwalk virus, also known as norovirus, enteric adenoviruses, astrovirus, cytomegalovirus and viruses that cause hepatitis. …
Neuro-infectious Diseases - Overview - Mayo Clinic
2025年3月22日 · Contact Arizona. Neuro-infectious Diseases; Mayo Clinic; 13400 E. Shea Blvd. Scottsdale, AZ 85259 Phone: 480-301-8000
Coronavirus disease 2019 (COVID-19) - Symptoms and causes
These viruses cause illnesses such as the common cold, severe acute respiratory syndrome (SARS), Middle East respiratory syndrome (MERS) and coronavirus disease 2019 (COVID …
Hantavirus pulmonary syndrome - Symptoms & causes - Mayo Clinic
2022年1月7日 · Inhaling viruses — the most likely form of transmission — when they become airborne from disturbed rodent droppings or nesting materials; Eating food contaminated with …
Common cold - Symptoms and causes - Mayo Clinic
2023年5月24日 · Many viruses can cause a common cold. Rhinoviruses are the most common cause. A cold virus enters the body through the mouth, eyes or nose. The virus can spread by: …
Viral gastroenteritis (stomach flu) - Symptoms & causes - Mayo …
2022年1月18日 · You're most likely to get viral gastroenteritis when you eat or drink contaminated food or water. You may also be likely to get gastroenteritis if you share utensils, towels or food …
How well do face masks protect against COVID-19? - Mayo Clinic
2023年11月4日 · Can face masks help slow the spread of the virus that causes coronavirus disease 2019 (COVID-19)? Yes. When used with measures such as getting vaccinated, hand …