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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 ...

Influenza (Flu) | CDC - Centers for Disease Control and Prevention


Jul 21, 2016 ... The nasal spray flu vaccine (live attenuated influenza vaccine or LAIV) ... some flu viruses circulate during the summer and influenza activity ...

Key Facts about Influenza (Flu) | Seasonal Influenza (Flu) | CDC


4 days ago ... 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, ...

WHO | Influenza


Influenza: WHO health topic page on influenza provides links to descriptions of activities, reports, publications, statistics, news, multimedia and events, as well as  ...

Influenza (flu) - Mayo Clinic


Influenza is a viral infection that attacks your respiratory system — your nose, throat and lungs. Influenza, commonly called the flu, is not the same as stomach ...

WHO | Global Influenza Programme


The World Health Organization links national influenza centres and collaborating centres for global influenza surveillance.

Flu: Symptoms, Diagnosis, and Prevention - Medical News Today


Jul 22, 2016 ... Flu, also known as influenza, is a respiratory illness caused by a virus. Influenza is highly contagious and life-threatening for some population ...

Influenza: Practice Essentials, Background, Pathophysiology


Influenza, one of the most common infectious diseases, is a highly contagious airborne disease that occurs in seasonal epidemics and manifests as an acute ...

Flu: MedlinePlus


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

The 1918 Influenza Pandemic - Human Virology at Stanford


The influenza pandemic of 1918-1919 killed more people than the Great War, known today as World War I (WWI), at somewhere between 20 and 40 million ...

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 »
Difficulty: Moderate
Source: www.ehow.com