Influenza (flu) - Symptoms and causes - Mayo Clinic Symptoms The viruses that cause flu spread at high levels during certain times of the year in the Northern and Southern hemispheres These are called flu seasons In North America, flu season usually runs between October and May Symptoms of the flu such as a sore throat and a runny or stuffy nose are common
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
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
Hantavirus pulmonary syndrome - Symptoms causes - Mayo Clinic The symptoms of hantavirus pulmonary syndrome can worsen suddenly and may quickly become life-threatening If you have flu-like symptoms that progressively worsen over a few days, see your healthcare professional Get immediate medical care if you have trouble breathing
Influenza: A (H5N1) - World Health Organization (WHO) H5N1 is one of several influenza viruses that causes a highly infectious respiratory disease in birds called avian influenza (or "bird flu") Infections in mammals, including humans, have also been documented H5N1 influenza virus infection can cause a range of diseases in humans, from mild to severe and in some cases, it can even be fatal Symptoms reported have primarily been respiratory
Influenza (flu) - Diagnosis and treatment - Mayo Clinic Diagnosis Flu vaccines at Mayo Clinic Mayo Clinic offers flu shots in Arizona, Florida and Minnesota Learn more about how to get your flu shot at Mayo Clinic 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
Influenza: Avian - World Health Organization (WHO) While human infection with avian influenza viruses has been limited and sporadic so far, individuals who live in or visit regions where outbreaks are occurring in birds or other animals should take precautions and monitor their health Seek care from your local health professional if you have flu-like symptoms
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