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Influenza Information

Browse eMedTV's wide range of articles related to influenza information including topics such as influenza virus, influenza vaccine, and avian influenza. Use the search box at the top-right corner of the page to find information about other health topics.

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Description of Articles in Influenza Information

An estimated 10 to 20 percent of Americans come down with influenza, or the flu, each year. This eMedTV page covers this highly contagious respiratory infection, including how it is transmitted, who is at risk, and how it's different from a cold.

The influenza virus is not only highly contagious -- it also is highly changeable. This page of the eMedTV Web site examines this virus in detail, including subtypes, how it is transmitted, and what makes it so changeable.

The most common symptoms of influenza include chills, cough, sore throat, and fever. This eMedTV article offers an in-depth look at the symptoms that may occur, and also includes a list of possible complications in adults, teenagers, and children.

The influenza vaccine is usually given through an injection, but a new nasal spray has recently been approved by the FDA. This eMedTV resource explains how the influenza vaccine is created, who should get it, and possible side effects.

Avian influenza is highly contagious among birds, especially domestic birds, but rarely infects people. This eMedTV article discusses avian influenza in detail, including subtypes, how it is transmitted, and the danger, if any, it poses to people.