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What Is Influenza?
Influenza is a specific family of viruses that affects birds and mammals, and it can lead to pneumonia, sinusitis and ear infection. Find out why it's impossible to develop a lifelong immunity to influenza with help from a practicing pediatrician in this... More »
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Source: www.ehow.com


Influenza, commonly known as "the flu", is an infectious disease caused by an influenza virus. Symptoms can be mild to severe. The most common symptoms ...


Aug 25, 2016 ... The flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and lungs. It can cause mild to severe illness, ...


There are many different influenza A viruses; some are found in humans and others in animals such as avian flu in birds and poultry. Avian influenza A viruses  ...


Influenza, more commonly referred to as "flu," impacts people of all ages. Influenza is a highly contagious viral infection of the nose, throat, and lungs that occurs ...


Oct 20, 2016 ... Influenza is a viral infection that attacks your respiratory system — your nose, throat and lungs. Influenza, commonly called the flu, is not the ...


Jul 14, 2017 ... Flu, also known as influenza, is a respiratory illness caused by a virus. Influenza is highly contagious and life-threatening for some population ...


WHO fact sheet on influenza: includes key facts, definition, symptoms, transmission, seasonal epidemics, effects, prevention, WHO response.


Do you know the difference between a cold and the flu (influenza)? Or looking for information on the "stomach flu?" Discover symptoms and treatment.


Jan 29, 2017 ... WebMD provides an overview of influenza -- and a bit of history about the flu.