Influenza (flu) - Symptoms and causes - Mayo Clinic Overview 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 get better on their own But sometimes, influenza and its complications can be deadly To help protect against
Flu symptoms: Should I see my doctor? - Mayo Clinic I think I have the flu, also called influenza Should I see my doctor? Call your healthcare professional if you think you have the flu and you or someone you're caring for is at high risk of serious flu illness, or flu-related complications Unlike a cold, the flu tends to come on suddenly and makes you feel much worse than a cold
Seasonal influenza - Global situation Seasonal influenza (‘the flu’) is an acute respiratory infection caused by influenza viruses that circulate globally and year-round It can cause illness ranging from mild to severe, sometimes resulting in hospitalization or death Seasonal influenza activity has increased globally in recent months, with an increased proportion of seasonal influenza A(H3N2) viruses being detected This
Influenza (gripe) - Síntomas y causas - Mayo Clinic Descripción general La gripe, también llamada influenza, es una infección de la nariz, la garganta y los pulmones, que son parte del sistema respiratorio La gripe es causada por un virus Los virus de la influenza son diferentes de los virus de la gastroenteritis viral, que causan diarrea y vómitos
Influenza (seasonal) - World Health Organization (WHO) Seasonal influenza is an acute respiratory infection caused by influenza viruses which circulate in all parts of the world It is characterized by a sudden onset of fever, cough (usually dry), headache, muscle and joint pain, severe malaise (feeling unwell), sore throat and a runny nose The cough can be severe and can last two or more weeks
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
Influenza (avian and other zoonotic) Signs and symptoms in humans Human infections with avian influenza viruses can cause illness ranging from mild, flu-like symptoms or eye inflammation (conjunctivitis) to severe, acute respiratory disease and death Gastrointestinal and neurological symptoms have been reported infrequently
Coronavirus disease (COVID-19): Similarities and differences between . . . COVID-19 and seasonal influenza (flu) are respiratory infections caused by two different viruses While some of the signs, symptoms and population groups at risk of severe complications are similar, there are some important differences This questions and answers page will help you know the facts about both COVID-19 and influenza so you can make more informed decisions about your health