H3N2 Influenza A Virus: Symptoms, Treatment, Dos And Don’ts – All You Need To Know

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Influenza, commonly known as the flu, is a contagious respiratory illness caused by influenza viruses. Among these viruses, the H3N2 influenza A virus is one of the most common strains that circulate during flu season.

This virus can cause mild to severe illness, and in some cases, it can even lead to hospitalization and death. In this article, we will discuss the symptoms, treatment, dos, and don’ts associated with the H3N2 influenza A virus.

Symptoms of H3N2 Influenza A Virus

The symptoms of H3N2 influenza A virus are similar to those of other flu viruses. They include:

  1. Fever
  2. Cough
  3. Sore throat
  4. Body aches
  5. Headache
  6. Fatigue
  7. Chills
  8. Runny or stuffy nose

The symptoms usually develop within one to four days after exposure to the virus and can last for up to a week or more.

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Treatment of H3N2 Influenza A Virus

Antiviral medications are the most effective treatment for H3N2 influenza A virus. These medications can reduce the severity of the illness, shorten the duration of symptoms, and prevent complications. The antiviral medications that are commonly used to treat H3N2 influenza A virus include:

  1. Oseltamivir (Tamiflu)
  2. Zanamivir (Relenza)
  3. Peramivir (Rapivab)

It is important to note that antiviral medications work best when they are taken within the first 48 hours of the onset of symptoms.

Dos and Don’ts for H3N2 Influenza A Virus

To prevent the spread of H3N2 influenza A virus, it is important to take certain precautions. Here are some dos and don’ts to keep in mind:


  1. Wash your hands frequently with soap and water or use hand sanitizer.
  2. Cover your mouth and nose with a tissue when you cough or sneeze, and dispose of the tissue in a trash can.
  3. Stay home from work or school if you are sick.
  4. Stay away from people who are sick.
  5. Get vaccinated against the flu every year.
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  1. Don’t touch your face, especially your eyes, nose, and mouth.
  2. Don’t share food, drinks, or personal items with others.
  3. Don’t go to work or school if you have a fever.
  4. Don’t ignore symptoms of the flu, especially if you are at a high risk for complications.

Who is at High Risk for Complications from H3N2 Influenza A Virus?

Some people are at a higher risk for developing complications from H3N2 influenza A virus. These include:

  1. Children younger than 5 years old, especially those younger than 2 years old
  2. Adults 65 years of age and older
  3. Pregnant women
  4. People with certain medical conditions, such as asthma, diabetes, heart disease, and weakened immune systems

If you or someone you know is at a high risk for complications from the flu, it is important to seek medical attention promptly if symptoms develop.

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H3N2 influenza A virus is a serious illness that can cause severe symptoms, especially in vulnerable populations such as the elderly and young children. Remember to take preventive measures to avoid spreading the virus to others and to follow dos and don’ts to help manage your symptoms.

Overall, staying informed and taking appropriate precautions can help protect yourself and others from H3N2 influenza A virus. If you are experiencing severe symptoms, seek medical attention right away.

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