Flu; Flu / Influenza; Grippe; Influenza (Flu); Influenza and Colds 


Influenza, or flu, is a respiratory infection caused by a variety of flu viruses. The most familiar aspect of the flu is the way it can "knock you off your feet" as it sweeps through entire communities.
The flu differs in several ways from the common cold, a respiratory infection also caused by viruses. For example, people with colds rarely get fevers or headaches or suffer from the extreme exhaustion that flu viruses cause.
The Centers for Disease Control and Prevention (CDC) esti...

An infection is the detrimental colonization of a host organism by a foreign organism. An infection is, in effect, a war in which the infecting organism seeks to utilize the host/'s resources in order to multiply at the expense of the host. The infecting organism, or pathogen, interferes with the normal functioning and perhaps the survival of the host. Colloquially, a pathogen is usually considered a microscopic organism though the definition is broader, including bacteria, parasites, fungi, vir...

Influenza as related to Infections