en.wikipedia.org/wiki/Influenza

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 ...

www.cdc.gov/flu/index.htm

Influenza Updates: Flu activity in the U.S. is low now, but expected to pick up in the coming weeks. CDC on Flu Vaccine: CDC's vaccine recommendations for the  ...

www.cdc.gov/flu/keyfacts.htm

Aug 27, 2018 ... What is Influenza (also called Flu)?; How Flu Spreads; Period of Contagiousness; Onset of Symptoms; Complications of Flu; People at High ...

www.mayoclinic.org/diseases-conditions/flu/symptoms-causes/syc-20351719

Sep 20, 2018 ... Overview. Influenza is a viral infection that attacks your respiratory system — your nose, throat and lungs. Influenza is commonly called the flu, ...

www.who.int/influenza/en

12 October 2018 - At the start of the flu season in the Northern hemisphere, WHO launched today an in-depth multimedia package on influenza, including the ...

www.verywellhealth.com/what-is-influenza-a-770484

Nov 8, 2018 ... What is influenza and how can it affect you? Get the facts about influenza A and B , including what to expect if you get sick.

www.medicalnewstoday.com/articles/15107.php

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

medlineplus.gov/flu.html

Jul 13, 2018 ... Do you know the difference between a cold and the flu (influenza)? Or looking for information on the "stomach flu?" Discover symptoms and ...

www.niaid.nih.gov/diseases-conditions/influenza

Colorized structure of a prototype for a universal flu vaccine. The nanoparticle is a hybrid of a protein scaffold (blue) and eight influenza hemagglutinin proteins ...