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, ...
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 ...
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) is an illness caused by a virus that comes on suddenly, and causes
symptoms such as fever, body aches, headache, fatigue, loss of appetite, a dry ...
http://www.nfid.org/influenza - 17 hours ago
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
Do you know the difference between a cold and the flu (influenza)? Or looking for
information on the "stomach flu?" Discover symptoms and treatment.
WHO fact sheet on influenza: includes key facts, definition, symptoms,
transmission, seasonal epidemics, effects, prevention, WHO response.
Jul 22, 2016 ... Influenza, or flu, is a respiratory illness caused by a virus. Flu is highly contagious
and is normally spread by the coughs and sneezes of an ...
Nov 22, 2016 ... Influenza, one of the most common infectious diseases, is a highly contagious
airborne disease that occurs in seasonal epidemics and ...
https://www.niaid.nih.gov/diseases-conditions/influenza - 16 hours ago
Influenza, or flu, is a contagious respiratory infection caused by several flu
viruses that infect the nose, throat and lungs. People infected with the seasonal