Influenza (flu) - Symptoms and causes - Mayo Clinic
...Learn more about the symptoms, causes and prevention of this potentially deadly viral infection that attacks the respiratory system....
https://www.mayoclinic.org/diseases-conditions/flu/symptoms-causes/syc-20351719
H1N1 flu (swine flu) - Symptoms and causes - Mayo Clinic
...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. The World Health Organization ......
https://www.mayoclinic.org/diseases-conditions/swine-flu/symptoms-causes/syc-20378103
Influenza - World Health Organization (WHO)
...Symptoms Influenza is characterized by a sudden onset of high fever, cough, headache, muscle and joint pain, malaise, and a runny nose lasting 2 to 7 days. Influenza is usually mild and uncomplicated and most people recover without medical treatment....
https://www.who.int/europe/news-room/fact-sheets/item/influenza
Influenza (seasonal) - World Health Organization (WHO)
...WHO fact sheet on influenza: includes key facts, definition, symptoms, transmission, seasonal epidemics, effects, prevention, WHO response....
https://www.who.int/news-room/fact-sheets/detail/influenza-(seasonal)
Pneumonia - Symptoms and causes - Mayo Clinic
...Symptoms The signs and symptoms of pneumonia vary from mild to severe, depending on factors such as the type of germ causing the infection, and your age and overall health. Mild signs and symptoms often are similar to those of a cold or flu, but they last longer. Signs and symptoms of pneumonia may include: Chest pain when you breathe or cough...
https://www.mayoclinic.org/diseases-conditions/pneumonia/symptoms-causes/syc-20354204
The world's best hospital - Mayo Clinic
...The right answers the first time Effective treatment depends on getting the right diagnosis. Our experts diagnose and treat the toughest medical challenges. The world's best hospital Mayo Clinic is the No. 1 hospital in the world according to Newsweek. Learn more about our top-ranked specialties....
https://www.mayoclinic.org/
Ear infection (middle ear) - Symptoms & causes - Mayo Clinic
...Causes A bacterium or virus in the middle ear causes an ear infection. This infection often comes from another illness, such as a cold, flu or allergy. These can cause the inside the nose, throat and ears to be swollen and stuffy....
https://www.mayoclinic.org/diseases-conditions/ear-infections/symptoms-causes/syc-20351616
Norovirus infection - Symptoms & causes - Mayo Clinic
...Norovirus infection symptoms usually last 1 to 3 days. Most people recover completely without treatment. However, for some people ? especially young children, older adults and people with other medical conditions ? vomiting and diarrhea can be severely dehydrating and require medical attention....
https://www.mayoclinic.org/diseases-conditions/norovirus/symptoms-causes/syc-20355296
Stevens-Johnson syndrome - Symptoms & causes - Mayo Clinic
...Stevens-Johnson syndrome (SJS) is a rare, serious disorder of the skin and mucous membranes. It's usually a reaction to medication that starts with flu-like symptoms, followed by a painful rash that spreads and blisters. Then the top layer of affected skin dies, sheds and begins to heal after several days. Stevens-Johnson syndrome is a medical emergency that usually requires hospitalization ......
https://www.mayoclinic.org/diseases-conditions/stevens-johnson-syndrome/symptoms-causes/syc-20355936
Viral gastroenteritis (stomach flu) - Symptoms & causes - Mayo Clinic
...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 ......
https://www.mayoclinic.org/diseases-conditions/viral-gastroenteritis/symptoms-causes/syc-20378847