Understanding Influenza Virus Infection

A contagious respiratory illness caused by influenza viruses, leading to severe health complications if untreated.
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Symptoms Of Influenza | Types Of Influenza Viruses | Complications Of Influenza | Influenza Virus | Flu Symptoms | Influenza Complications | Flu Virus
Prepared by Lee Cheng, reviewed by Dr. Helena Rodriguez

Influenza Virus Infection FAQ

What are the risks of the flu?

About Flu. Influenza (flu) is a contagious respiratory illness caused by influenza viruses. It can cause mild to severe illness. Serious outcomes of flu infection can result in hospitalization or death. Some people, such as older people, young children, and people with certain health conditions, are at high risk of serious flu complications.

How long does a flu symptom last?

Ninety-nine percent of deaths in children under 5 years of age with influenza-related lower respiratory tract infections are in developing countries. Symptoms begin 1–4 days after infection and usually last around a week. Seasonal influenza (the flu) is an acute respiratory infection caused by influenza viruses.

What are the symptoms of influenza?

Symptoms of influenza, with fever and cough the most common symptoms The time between exposure to the virus and development of symptoms, called the incubation period, is 1–4 days, most commonly 1–2 days. Many infections, however, are asymptomatic.

How long does it take to get a flu?

You're more likely to give it to others in the first 5 days. Flu is spread by germs from coughs and sneezes, which can live on hands and surfaces for 24 hours. cover your mouth and nose with a tissue when you cough or sneeze (if you do not have a tissue, cough or sneeze into the bend of your elbow, not into your hand)

Influenza Virus Infection References

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