Archive · 7 Sep 2026
West Bengal Reports More Than 4,500 Dengue Cases This Year
West Bengal is seeing many dengue cases this year.
More than 4,500 infections have been reported.
Many of the cases appeared during the monsoon season.
Dengue is spread by infected Aedes mosquitoes.
Its early symptoms can look like the flu, including fever, headache and body aches.
Pain behind the eyes, vomiting and a skin rash can also suggest dengue.
People should see a doctor if they have sudden or persistent fever in an affected area.
Severe pain, bleeding, unusual sleepiness or trouble breathing requires urgent medical help.
West Bengal has reported more than 4,500 dengue cases this year, with most detected during the current monsoon season.
More than 500 new infections were identified across the state in the latest seven-day period.
Murshidabad has recorded about 870 cases, while Kolkata has reported 402 cases so far.
Dengue can resemble flu but may also cause pain behind the eyes, severe body pain, vomiting and rash.
Urgent care is needed for warning signs such as severe abdominal pain, bleeding, repeated vomiting or breathing difficulty.
- Who
- People in West Bengal, particularly residents of Murshidabad and Kolkata, are affected; state health authorities are conducting surveillance and testing.
- What
- More than 4,500 dengue cases have been reported, including more than 500 new cases in the latest seven-day period.
- When
- The cases were reported this year, with most occurring during the current monsoon season; the state issued its monitoring procedure on September 2.
- Where
- West Bengal, with Murshidabad the most affected district and Kolkata also reporting substantial cases.
- Why
- The increase is linked to dengue transmission by infected Aedes mosquitoes, while surveillance and testing have identified additional infections.
- Reported cases
- More than 4,500 dengue cases in West Bengal this year
- Latest increase
- More than 500 new cases were detected across the state in seven days
- Most affected district
- Murshidabad, with about 870 cases, including 96 newly detected infections
- Kolkata cases
- 402 cases recorded, including 62 identified in the latest seven-day period
- Main vector
- Infected Aedes aegypti and Aedes albopictus mosquitoes
- Typical fever duration
- About two to seven days
- Critical phase
- Often begins as fever improves and can last 24 to 48 hours