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Influenza H3N2 Virus: Symptoms, Prevention & Treatment
It's time to hold on to your masks and hand sanitizers and gear up. Just when we thought we were getting a handle on the COVID-19 pandemic, a new virus emerged to keep us on our toes.
- The flu or influenza, is a respiratory illness caused by the influenza virus. Millions of individuals worldwide are affected by this highly contagious disease every year.
- Among the different types of influenza viruses, H3N2 is one of the most virulent and has caused several outbreaks and pandemics recently.
- Since December 2022, cases of this viral infection have been recorded across the country, and the numbers are currently increasing exponentially.
- Understanding H3N2 and adopting the necessary safeguards will help us and our communities protect ourselves from the disease's devastating effects.
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Get A Second OpinionWhat is H3N2 Virus?
- The H3N2 virus was first detected in 1968, and it has since caused several flu pandemics and outbreaks around the world.
- There are four types of influenza viruses: A, B, C, and D; however, the A and B types are responsible for seasonal respiratory diseases almost every year.
- According to the Indian Medical Association (IMA), an H3N2 infection usually lasts 5-7 days, with the fever subsiding after 3 days.
- However, because coughing might last up to three weeks, people should not panic.
- According to the Indian Medical Association, this virus usually affects people under 15 or over 50.
H3N2 Influenza Virus Symptoms
While the symptoms of H3N2 virus infection are similar to those of seasonal influenza or flu, medical practitioners find it challenging to differentiate it from normal flu. The symptoms of H3N2 infection include:
How Does the H3N2 Virus Spread?
- The transmission of H3N2 is primarily through respiratory droplets that are released into the air when an infected person coughs or sneezes.
- These droplets can then enter the mouth or nose of those who are nearby or be inhaled
- Additionally, the virus can also spread indirectly through contact with contaminated surfaces, such as doorknobs or countertops, and then touching one's mouth, nose, or eyes.
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Book an AppointmentIs There a Vaccine for H3N2?
- At present, there is no vaccine available for H3N2 infection.
- Although scientists have initiated early steps to develop a vaccine.
- It is important to note that the seasonal flu vaccine does not protect against H3N2 infection.
- Instead, it only guards against seasonal influenza viruses.
Treatment for H3N2 Virus
To recover from an H3N2 infection, the Indian Medical Association suggests avoiding panic and refraining from taking antibiotics like azithromycin and amoxicillin without consulting a doctor as it could lead to antibiotic resistance. Instead, individuals infected with influenza H3N2 can take the following steps to recover more quickly.
- Get plenty of rest
- Stay hydrated by drinking plenty of fluids.
- Do warm saline gargling to soothe a sore throat
- Eat home-cooked, low-spice, and low-fat food to support the immune system.
- Avoid high-sodium or high-sugar food to prevent dehydration.
- Take steam to help relieve chest congestion and breathing difficulties.
- Follow the medicines and guidance from the doctor to treat symptoms.
Consult a general physician if you experience any of the H3N2 infection symptoms. It is important to avoid panicking and taking random medications. Medical professionals will assess your condition and provide a personalized h3n2 virus treatment plan to help you recover faster.
How to Prevent the H3N2 Virus?
As the H3N2 virus primarily targets the respiratory system, it is crucial to take measures to prevent its spread. The following steps can help you and your family stay safe from H3N2 and other viral infections:
- Use hand sanitizers while travelling to keep your hands clean
- Consume fruits and green leafy vegetables to boost your immunity
- Wash your hands before eating and touching your face, nose, or mouth
- Avoid contact with people already infected with H3N2, seasonal flu, or influenza
- Avoid crowded places
- Wear masks in public areas
- Get the flu vaccine every year
- Do not spit in public
How is H3N2 Virus Different From the H1N1 Virus or Swine Flu?
Although the H3N2 virus is similar to swine flu or the H1N1 virus, there are slight differences in their genetic material. Myalgia, which is muscle pain, fever, headache, general malaise and sore throat, was common in all groups. However, in terms of fever, leukopenia, and C-reactive protein, the H3N2 infection is found to be more severe than the H1N1 or B strains of the virus.
Frequently Asked Questions
It's a type of influenza virus that can cause seasonal flu outbreaks in humans.
The virus spreads through respiratory droplets when infected people cough, sneeze, or talk.
In severe cases, it can lead to complications like pneumonia, especially in young children, older adults, and those with weakened immune systems.
Getting an annual flu vaccine, washing hands frequently, avoiding close contact with sick people, and staying home when sick can help prevent infection.
Stay home, rest, drink fluids, and seek medical advice if symptoms worsen or if you are at high risk of complications.
Most people recover within a week or two, but it can vary depending on the individual's health and immune system.
Yes, infants, elderly adults, pregnant women, and people with chronic medical conditions are at higher risk of severe complications.
The virus can change each year, so the flu vaccine is updated to provide protection against the latest strains and reduce the spread of the virus in communities.
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