3 weeks ago
Delhi records nearly six-fold rise in H1N1 cases in 2026
In a big city called Delhi, the flu is spreading much more this year than last year.
This year, 1,344 people got sick with a special kind of flu called H1N1, while only 229 people got it during the same time last year.
H1N1 used to be called 'swine flu' a long time ago, and it can make you cough, sneeze, and feel very tired.
Most healthy people get better in about a week, but some people can become very sick.
Babies, older people, pregnant women, and people with health problems like asthma or diabetes need to be extra careful.
The flu can sometimes cause serious problems like trouble breathing or an infection in the lungs called pneumonia.
You can help stop the flu by washing your hands, covering your coughs, and getting a flu shot.
Opening windows and wearing a mask in crowded places can also help.
If someone has trouble breathing, chest pain, or gets much worse, they should see a doctor right away.
Delhi has recorded 1,344 H1N1 cases so far in 2026, nearly six times the 229 cases reported in the same period last year.
H1N1, a subtype of the influenza A virus known as 'swine flu' during the 2009 pandemic, now circulates as a seasonal flu virus.
Doctors attribute the surge to increased circulation of respiratory viruses, changing weather conditions, and easier transmission in crowded indoor environments.
High-risk groups include young children, older adults, pregnant women, and people with asthma, heart disease, diabetes, severe obesity, or weakened immune systems.
Prevention includes seasonal flu vaccination, regular hand washing, covering coughs, wearing masks, improving ventilation, and prompt medical care for warning signs like difficulty breathing or chest pain.
- Who
- Residents of Delhi, especially high-risk groups such as young children, older adults, pregnant women, and people with chronic medical conditions
- What
- A nearly six-fold rise in H1N1 influenza cases, with 1,344 cases recorded so far in 2026 compared with 229 in the same period last year
- Where
- Delhi, the capital
- When
- So far in 2026, compared with the same period in the previous year
- Why
- Doctors attribute the rise to increased circulation of respiratory viruses, changing weather conditions, and easier transmission in crowded indoor environments; H1N1 spreads through respiratory droplets
Key facts
- Cases in 2026 (so far)
- 1,344
- Cases in same period last year
- 229
- Increase
- Nearly six-fold
- Virus
- H1N1, a subtype of influenza A, formerly known as 'swine flu'
- Transmission
- Respiratory droplets from coughing, sneezing, talking or breathing; contaminated surfaces
- Major complication
- Pneumonia
- Key prevention
- Seasonal flu vaccine, hand washing, masks, covering coughs, good ventilation
- Warning signs
- Difficulty breathing, chest pain, confusion, bluish lips or face, dehydration
Quotes
Dr. RR Dutta
Head of Internal Medicine at Paras Health
“There is no reason for panic, but the current rise should not be taken lightly. Most healthy people recover from influenza within about a week, but the infection can become serious in people who are at higher risk of complications.”
firstpost.com
“We are seeing more patients presenting with fever, sore throat, persistent cough, body ache and significant fatigue, with influenza becoming an important consideration in such cases.”
firstpost.com
Sources
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