The influenza virus, also known as the flu, is a contagious respiratory illness that affects millions of people each year. It’s important to have a strong understanding of the virus to prevent its spread and protect yourself and those around you.

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What is influenza?

Influenza is a viral illness that affects the respiratory system. It’s highly contagious and can be spread through the air when an infected person coughs or sneezes. Symptoms typically include fever, cough, sore throat, body aches, and fatigue.

Influenza can range from mild to severe and can even be life-threatening for some individuals, especially those with underlying health conditions.

How does influenza spread?

Influenza spreads through respiratory droplets when an infected person coughs or sneezes. These droplets can land in the mouths or noses of people who are nearby or can be inhaled into the lungs.

Less commonly, a person may contract influenza by touching a surface or object that has the virus on it and then touching their own mouth, nose or eyes.

Who is at risk of getting influenza?

Anyone can get influenza, but certain groups are more at risk for severe illness or complications.

This includes young children, older adults, pregnant women, people with weakened immune systems, and those with chronic health conditions such as asthma, diabetes, or heart disease.

What is the best way to prevent influenza?

The best way to prevent influenza is to get vaccinated each year. The flu shot is recommended for everyone over the age of 6 months and is especially important for those at higher risk of severe illness.

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Additionally, practicing good hygiene, such as frequent hand washing and covering coughs and sneezes, can help prevent the spread of influenza.

How is influenza treated?

Influenza is usually treated with antiviral medication, which can help lessen the severity and duration of symptoms.

It’s important to seek medical attention as soon as possible if you suspect you have influenza, especially if you are at higher risk for severe illness.

What complications can arise from influenza?

Influenza can lead to complications such as pneumonia, bronchitis, sinus infections, and ear infections. It can also exacerbate existing health conditions such as asthma or heart disease. In severe cases, influenza can be life-threatening.

When is influenza season?

Influenza season typically occurs during the fall and winter months in the United States, but can start as early as October and last as late as May.

What strains of influenza are included in the flu vaccine?

The flu vaccine is updated every year to protect against the strains of influenza that are expected to circulate during the upcoming season. This typically includes three or four strains of the virus.

Can you get influenza even if you’ve been vaccinated?

Yes, it is possible to contract influenza even if you’ve been vaccinated. However, the vaccine can still provide protection and lessen the severity of symptoms if you do get sick.

What should you do if you suspect you have influenza?

If you suspect you have influenza, it’s important to see a healthcare provider as soon as possible. They can diagnose the illness and provide appropriate treatment.

It’s also important to stay home from work or school if you are sick to prevent the spread of the virus.