Influenza, commonly referred to as the flu, is an infectious disease caused by RNA viruses of the family Orthomyxoviridae (the influenza viruses), that affects birds and mammals.

CDC Centers for Disease Control and Prevention Influenza Flu Homepage

One-stop access to U.S. Government H1N1, avian and pandemic flu information.

Learn influenza symptoms, causes, home remedies, treatment with antiviral drugs and prevention. Read about flu types (swine or H1N1, bird, stomach), when to get flu shots, how long ...

Influenza has a major impact on your health. Influenza provides information to help identify and protect against the flu virus.

Symptom Checker Learn what the symptoms are. ... Don't Let The Flu Get To you. Learn about a prescription flu medicine proven to make you feel better ... sooner.

Centers for Disease Control and Prevention - Your Online Source for Credible Health Information

The symptoms of influenza (flu) appear suddenly and often include: Fever, which is usually continuous, but it may come and go. Fever may be lower in older adults than in children ...

Influenza is an acute infection caused by any of 3 types of viruses (A, B, or C). Type A strains are associated with the most severe disease. Many people confuse ...

Do you know all about children and flu? Learn more about flu symptoms, complications, and treatments for the flu in children.

Influenza in Children. What is ‘influenza’? Influenza (or the ‘flu’) is a respiratory infection caused by influenza virus. A virus is a kind of germ that makes people ...

Learn about flu treatment and flu prevention. The five main types of flu treatments are flu vaccines, antivirals, antibiotics, over-the-counter treatments, and non-medical ...

Treatments for influenza include a range of medications and therapies that are used in response to disease influenza. Treatments may either directly target the influenza virus ...

Table: Recommended daily dosage of influenza antiviral medications for treatment and chemoprophylaxis-United States, 2008-09; Dosage Guidelines for different groups, such as children ...

How long does it take to develop symptoms of seasonal influenza after being exposed? The incubation period of seasonal influenza is usually two days but can range from one to ...

Incubation period is the time elapsed between exposure to a pathogenic organism, a chemical or ... Influenza: 1–3 days , Scarlet fever: 1–4 days : Common cold: 2–5 days : Ebola

You can also get the flu from sharing cups, glasses, or other household objects used by a person who has the flu. Question: What is the incubation period for the flu?

Read about the impact the flu or influenza has on humans. Learn about the dangers and flu complications in children, older people and people with health problems.

Mortality Surveillance — Rapid tracking of influenza-associated deaths is done through two systems: 122 Cities Mortality Reporting System — Each week, the vital statistics offices ...

Statistics about Flu as a medical condition including prevalence, incidence, death rates, and social and hospital statistics.