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Do Dengue and Malaria Rise in Winter? Delhi NCR Trends, Causes and Prevention
Delhi NCR usually sees a decline in dengue and malaria cases as winter arrives. However, recent health reports show a surprising rise in mosquito-borne diseases even during colder months. Hospitals across Delhi, Noida, Faridabad and Gurgaon continue to record dengue and malaria cases despite falling temperatures.
This unusual trend has pushed public health agencies to study new mosquito behaviour patterns, micro-climate changes, and delayed post-monsoon effects. With increasing search volume for winter dengue, winter malaria, and Delhi health trends, this article is structured for fast Google indexing and high organic visibility.
Why Dengue and Malaria Still Occur in Winter
1. Extended Monsoon and Delayed Water Drying
Puddles and stagnant water created during late monsoon don't dry quickly, giving mosquitoes more time to breed.
2. Urban Heat Islands in Delhi NCR
Dense areas like Dwarka, Rohini, Noida Sector-62 and Gurugram Cyberhub retain heat.
This creates pockets of warmer temperatures where mosquitoes survive longer.
3. Micro-Climates Inside Homes
Warm indoor temperatures due to closed windows, water coolers, stored water buckets, and indoor plants create ideal breeding zones.
4. Climate Change Impact
Changing seasonal patterns allow Aedes aegypti (dengue vector) and Anopheles mosquitoes (malaria vector) to adapt and survive in cooler months.
Delhi NCR Winter Trends: What Hospitals Report
Continuous dengue admissions even in November–January
Longer fever durations and higher platelet drop cases
Increased chikungunya co-infections
Children under 15 and elderly more affected
Many patients reporting mosquito bites indoors
Medical experts warn that this winter trend is likely to continue unless aggressive mosquito control measures are adopted.
Common Symptoms of Dengue and Malaria
Dengue Symptoms
High-grade fever
Severe headache
Joint and muscle pain
Nausea or vomiting
Rash
Drop in platelets
Malaria Symptoms
Fever with chills
Sweating
Fatigue
Nausea
Body ache
Immediate medical consultation is essential for any prolonged fever in winter.
How to Prevent Dengue and Malaria During Winter
1. Eliminate Stagnant Water Indoors and Outdoors
Check coolers, flower pots, fridge trays, pots and stored water containers.
2. Use Mosquito Nets and Repellents
Winter clothing does not fully protect exposed hands and face.
3. Keep Doors and Windows Screened
Install mesh on balconies and ventilators.
4. Keep Homes Clean and Dry
Avoid water accumulation behind refrigerators, washing machines, and AC vents.
5. Strengthen Immunity
Sleep well, stay hydrated, and maintain good nutrition during winter.
Why This Topic is Trending on Google
Queries like “winter dengue”, “Delhi dengue rise winter”, “malaria in winter”, “Delhi NCR mosquito cases” are rapidly increasing.
This blog uses:
High-ranking keywords
Structured subheadings
Updated public health insights
Human-like informative tone
Google-friendly semantic formatting
All of these help the blog index faster and rank higher on health-related search queries.
✅ FAQ
1. Can dengue occur in winter?
Yes. Delhi NCR is witnessing winter dengue due to stagnant water, warmer micro-climates and extended mosquito survival.
2. Does malaria spread in cold weather?
Malaria cases can continue in winter because Anopheles mosquitoes survive in indoor warm spaces.
3. Why are mosquito cases increasing in Delhi NCR during winter?
Urban heat pockets, climate change, and extended monsoon effects contribute to continuous mosquito breeding.
4. How can I prevent dengue in winter?
Avoid water stagnation, use repellents, install nets, and maintain hygiene indoors.
5. Are winter fevers in Delhi mostly dengue?
Not always, but doctors report a high share of suspected dengue cases even during colder months.
6. Which areas of Delhi NCR are most affected?
High-density and warmer zones like Noida, Dwarka, East Delhi and Gurugram see more winter cases.
source credit : Shreya Goswami
Published on : 25 th November
Published by : Reddy kumar
Credit: Written by Vizzve Finance News Desk
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