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“Stay informed and protected: Understanding the new H3N2 virus”.
- Written by: Department of Internal Medicine
- Published: March 20, 2023
- 4 min Read
The H3N2 virus, also known as the influenza A virus, is a subtype of the influenza virus that can cause seasonal flu outbreaks in humans. In this blog, we’ll take a closer look at the H3N2 virus, including its symptoms, transmission, treatment, and prevention.
Symptoms of H3N2 virus:
The symptoms of H3N2 virus are similar to those of other flu viruses and can include fever, cough, sore throat, runny or stuffy nose, body aches, headache, chills, and fatigue. In some cases, people infected with the H3N2 virus may also experience nausea, vomiting, and diarrhoea.
Transmission of H3N2 virus:
The H3N2 virus is highly contagious and can spread easily from person to person through respiratory droplets produced when an infected person coughs, sneezes, or talks. The cough can be severe and can last 2 or more weeks. The virus can also survive on surfaces for up to 48 hours, which means that touching a contaminated surface and then touching your nose or mouth can also lead to infection. Most people recover from fever and other symptoms within a week without requiring medical attention. But influenza can cause severe illness or death especially in people at high risk.
Treatment of H3N2 virus:
There is no specific treatment for the H3N2 virus, but antiviral medications such as oseltamivir (Tamiflu) and zanamivir (Relenza) can be effective in reducing the severity and duration of symptoms if they are taken within the first 48 hours of illness. Over-the-counter medications such as acetaminophen or ibuprofen can also help relieve fever and other symptoms.
Prevention of H3N2 virus:
The best way to prevent the H3N2 virus is to get an annual flu vaccine. The flu vaccine contains a combination of influenza viruses, including H3N2, that are expected to be the most prevalent during the upcoming flu season.
- Personal preventative measures include-
- Wash your hands regularly and thoroughly.
- Cover your mouth and nose when coughing or sneezing and dispose of tissues properly.
- Self-isolate if you feel unwell or have flu-like symptoms.
- Avoid close contact with sick people.
- Avoid touching your face, especially your eyes, nose, and mouth.
In conclusion, the H3N2 virus is a common subtype of the influenza virus that can cause seasonal flu outbreaks in humans. While there is no specific treatment for the H3N2 virus, antiviral medications and over-the-counter medications can help relieve symptoms. The best way to prevent the H3N2 virus is to get an annual flu vaccine and practice good hygiene habits.
Department of Medicine
Dr.Chhagan Khartode
MBBS, DNB
Senior Consultant – Internal Medicine
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