Influenza (flu) - Symptoms and causes - Mayo Clinic
Jan 7, 2025 · Flu, also called influenza, is an infection of the nose, throat and lungs, which are part of the respiratory system. The flu is caused by a virus. Influenza viruses are different from the "stomach flu" viruses that cause diarrhea and vomiting. Most people with the flu …
Viral gastroenteritis (stomach flu) - Symptoms & causes - Mayo …
Jan 18, 2022 · Depending on the cause, viral gastroenteritis symptoms may appear within 1-3 days after you're infected and can range from mild to severe. Symptoms usually last just a day or two, but occasionally they may last up to 14 days.
Norovirus infection - Symptoms & causes - Mayo Clinic
Mar 4, 2022 · This highly contagious virus spreads through contaminated food, water or surfaces and causes vomiting and diarrhea. Learn ways to protect yourself.
Bird flu (avian influenza) - Symptoms and causes - Mayo Clinic
Jun 8, 2024 · Bird flu, also called avian influenza, is caused by influenza type A virus infections in bird species. Depending on the strain, bird flu may cause the bird to have no symptoms, mild illness, serious illness or lead to the death of the bird.
H1N1 flu (swine flu) - Symptoms and causes - Mayo Clinic
Mar 23, 2023 · The H1N1 flu, sometimes called swine flu, is a type of influenza A virus. During the 2009-10 flu season, a new H1N1 virus began causing illness in humans. It was often called swine flu and was a new combination of influenza viruses that infect pigs, birds and humans.
Bird flu (avian influenza) - Diagnosis and treatment - Mayo Clinic
Jun 8, 2024 · Flu viruses in other animals, such as birds, may be a risk to people. Learn more about the symptoms, causes, prevention and treatment for bird flu in people.
Influenza and Sepsis: Mayo Expert Describes Signs of Severe Sepsis ...
Jan 13, 2015 · “Many infections can cause it,” Dr. Peters says. “It is most common with bacterial infections, but you can get sepsis from other types of bugs also.” What are symptoms to watch for? A high fever; inability to keep fluids down; rapid heartbeat; rapid, shallow breathing; lethargy and confusion are among the signs. If sepsis is suspected ...
History of flu (influenza): Outbreaks and vaccine timeline - Mayo …
During 2009, the flu causes about 61 million illnesses, 274,0000 hospital stays and 12,400 deaths. Later in 2009, an H1N1 flu vaccine becomes available. During the H1N1 flu pandemic, Mayo Clinic staff are trained in infection control and prevention.
COVID-19 vs. flu: Similarities and differences - Mayo Clinic
Jul 22, 2023 · COVID-19 can cause different complications from the flu, such as blood clots, post-COVID conditions and multisystem inflammatory syndrome in children. Flu infection leads to secondary bacterial infection more often than COVID-19 infection does.
Influenza (flu) - Diagnosis and treatment - Mayo Clinic
Jan 7, 2025 · To diagnose the flu, also called influenza, your healthcare professional does a physical exam, looks for symptoms of flu and possibly orders a test that detects flu viruses. The viruses that cause flu spread at high levels during certain times of the year in the Northern and Southern hemispheres.