H3N2 Virus In Delhi: Dangerous Flu Strain Triggering High Fever, Constant Cough and Severe Weakness - Are You at Risk?

H3N2 cases are rising in Delhi and have affected a lot of people. It lasts for some weeks and can have a huge impact on the body, which can make you feel sick for a long time.

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Written By: Bhavya Gulati | Updated : September 18, 2025 12:50 AM IST

Delhi NCR is currently noticing a lot of cases with the H3N2 virus, which is a subtype of Influenza and has affected. A lot of people currently. According to a recent survey, it has mostly targeted places like Delhi, Noida, Faridabad and Ghaziabad. It comes with symptoms like fever, chills, cough, headache and sore throat. Influenza virus is mostly of three types, which include A, B and C viruses in humans. It can be transmitted through your respiratory droplets if an infected person coughs, sneezes or speaks. It is important to practice good hygiene and get vaccinated to avoid the symptoms getting worse.

What is H3N2?

The H3N2 virus is responsible for seasonal flu outbreaks, which are mostly due to a change in season that has caught many people with the virus. It is affecting children, elderly people and people with pre-existing conditions. According to the National Institute of Health (NIH), this virus started in 1918, and it has been the cause of death and illness in the past.

Symptoms of H3N2 Virus

Some of the common symptoms of the H3N2 virus include:

Fever and Chills

If this virus affects someone, they might experience fever and shivering in the body.

Constant Cough

Your cough might last for two weeks or more. might not go away easily with this virus.

Runny or Stuffy Nose

If you have this virus, you might feel a runny nose and sometimes a stuffed nose, which makes breathing difficult.

Muscle and Body Aches

The symptom is not only limited to fever but can also cause a lot of body pain.

Fatigue and Weakness

If you get caught with this virus, then you might feel fatigued all the time.

Headache

It won't be a normal headache, but the pain can persist for a long time and cause frequent headaches. Once you get to know that these are H3N2 symptoms, then you should seek medical help so that you can get all the medical aid before the virus worsens.

How To Stay Safe From the H3N2 Virus?

If you want to stay safe from the H3N2 flu, then you should take care of your health. It is not that difficult to take some precautions.

  1. Wash Hands: The best way to maintain hygiene is frequently washing hands, especially if you touch public railings and carry a sanitiser with you or keep it handy for the places that require its use, of when water is not around.
  2. Wear a Mask: Try wearing a mask, especially when you go to crowded places or areas of high risk, and cover your mouth while sneezing or coughing.
  3. Stay Hydrated: Hydration for the body is really important in maintaining overall health, specifically when it comes to immunity.
  4. Avoid Contact With Infected Individuals: You should avoid contact with people who are infected with this virus because it can spread really fast.
  5. Seasonal Flu Vaccinations: If your healthcare provider has recommended you get any flu vaccinations, then you should definitely get yourself vaccinated to prevent flu in the future and keep your Immune system strong.

What Happens After You Contract The Virus?

Yes, there are several options available that can help you with the treatment, like taking Antibiotics, but only if your doctor has advised. Do not consume it without doctor's approval. It can help you prevent the flu, and you might feel better, but apart from this, you should get some rest and can take pain relievers to reduce body aches and manage respiratory symptoms.

FAQs

How Can I Protect Myself?

Take care of yourself and get vaccinated with Flu shots and maintain hygiene

Who Is More At Risk?

Young Children, Elderly Adults, Pregnant women and Individuals with chronic conditions.

What Are The Symptoms Of H3N2 ?

Some symptoms of H3N2 are fever, cold, sore throat, body aches, and cough

How Does H3N2 Spread?

H3N2 spreads through contact with coughing, sneezing and talking.