Influenza, commonly known as the 'flu, is an infectious disease that infects birds and mammals (primarily of the upper airways and lungs in mammals) and is caused by an RNA virus of the Orthomyxoviridae family (the influenza viruses). The most common and characteristic symptoms of influenza in humans are fever, pharyngitis (sore throat), myalgia (muscle pains), severe headache, coughing, and malaise (weakness and fatigue).[1] A cold and a 'stomach flu' are very different from a flu. Influe ...
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Influenza Articles

  • Flu
    ... Influenza, or flu, is a respiratory infection caused by a variety of flu viruses. The most familiar aspect of the flu is the way it can "knock you off your feet" as it sweeps through entire communitie...
  • Flu Drugs
    ... Four drugs are available to treat and/or prevent influenza. They are amantadine and rimantadine, zanamivir, and oseltamivir. In 1976, the Food and Drug Administration (FDA) approved amantadine to both...
  • Influenza
    ... Influenza is caused by infection with either influenza A or B viruses. Influenza A viruses are further classified into subtypes on the basis of two surface antigens: hemagglutinin (H) and neuraminidas...
  • The Common Cold
    ... Sneezing, scratchy throat, runny nose-everyone knows the first signs of a cold, probably the most common illness known. Although the common cold is usually mild, with symptoms lasting 1 to 2 weeks, it...