Coronavirus disease 2019 (COVID-19) - Symptoms and causes
Serious heart diseases and possibly high blood pressure. Chronic kidney, liver or lung diseases. People with dementia or Alzheimer's also are at higher risk, as are people with brain and nervous system conditions such as stroke. Smoking increases the risk of serious COVID-19 illness. And people with a body mass index in the overweight category ...
Infectious diseases - Symptoms & causes - Mayo Clinic
2022年2月18日 · Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful. But under certain conditions, some organisms may cause disease. Some infectious diseases can be passed from person to person.
Infectious Diseases - Overview - Mayo Clinic
2024年6月19日 · Our infectious diseases experts help people with bacterial, fungal, viral and parasitic infections. That includes bloodstream infections and complex or rare conditions caused by emerging infectious diseases and multidrug-resistant microbes. Successful treatment starts with an accurate diagnosis. Our doctors take the time to get it right.
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-19. Antibiotics kill or block activities bacteria need to live or grow, but antibiotics don't work on viruses. Medicine that treats viral infections is called an antiviral.
Viral gastroenteritis (stomach flu) - Symptoms & causes - Mayo …
2022年1月18日 · Viral gastroenteritis is an intestinal infection that includes signs and symptoms such as watery diarrhea, stomach cramps, nausea or vomiting, and sometimes fever. The most common way to develop viral gastroenteritis — often called stomach flu — is through contact with an infected person or by consuming contaminated food or water.
Infection: Bacterial or viral? - Mayo Clinic
2023年2月4日 · Diseases caused by viruses include: COVID-19, caused by a coronavirus called SARS-CoV-2. Chickenpox, caused by the varicella-zoster virus. HIV, caused by the human immunodeficiency virus. Common colds, caused by a range of viruses, but often by rhinoviruses. Medicine that treats viral infections is called an antiviral.
Neuro-infectious Diseases - Overview - Mayo Clinic
2024年11月22日 · Neuro-infectious Diseases; Mayo Clinic; 13400 E. Shea Blvd. Scottsdale, AZ 85259 Phone: 480-301-8000; Minnesota. Neuro-infectious Diseases; Mayo Clinic; 200 First St. SW Eighth Floor Rochester, MN 55905 Phone: 507-284-2111
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 sexually transmitted infection may pass from person to person in …
Viral hemorrhagic fevers - Symptoms and causes - Mayo Clinic
2024年11月12日 · Viral hemorrhagic fevers are spread by contact with infected animals. The viruses that cause viral hemorrhagic fevers live in many animal hosts. Most often, the hosts include mosquitoes, ticks, rodents, nonhuman primates or bats. How is it transmitted? Mosquito or tick bites spread some viral hemorrhagic fevers.
Infectious diseases - Diagnosis & treatment - Mayo Clinic
2022年2月18日 · Many infectious diseases have similar signs and symptoms. Samples of body fluids can sometimes reveal evidence of the particular microbe that's causing the illness. This helps the doctor tailor treatment. Blood tests. A technician obtains a sample of blood by inserting a needle into a vein, usually in the arm. Urine tests.