Why Dengue Or Malaria Is More Common During Monsoon And How It Can Be Avoided?

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Why Dengue or Malaria is More Common During Monsoon: The monsoon season brings relief from the scorching heat of summer, but it also brings with it an increased risk of mosquito-borne diseases like dengue and malaria. These diseases are more prevalent during the monsoon due to the favorable conditions for mosquito breeding. In this article, we will explore why dengue or malaria is more common during the monsoon and discuss effective strategies to avoid these diseases.

Understanding Dengue and Malaria

Before delving into the reasons behind the increased prevalence of dengue and malaria during the monsoon, let's first understand these diseases.


Dengue is a viral infection transmitted by the Aedes mosquito. It is characterized by symptoms such as high fever, severe headache, joint and muscle pain, rash, and fatigue. In severe cases, dengue can lead to dengue hemorrhagic fever, which can be life-threatening.


Malaria is caused by the Plasmodium parasite and is transmitted through the bites of infected female Anopheles mosquitoes. The symptoms of malaria include fever, chills, headache, sweating, fatigue, and body aches. If left untreated, malaria can lead to severe complications and even death.

Factors Contributing to Dengue and Malaria During Monsoon

1. Mosquito Breeding Sites

During the monsoon, stagnant water accumulates in various places such as puddles, water containers, flower pots, and blocked drains. These stagnant water sources serve as breeding grounds for mosquitoes. Aedes mosquitoes, which transmit dengue, prefer to breed in clean water containers, while Anopheles mosquitoes, responsible for malaria transmission, breed in stagnant water bodies like ponds and puddles.

2. Increased Mosquito Population

The conducive environment created by the monsoon leads to a rapid increase in the mosquito population. The warm and humid climate promotes the breeding and survival of mosquitoes, resulting in a higher number of infected mosquitoes.

3. Waterlogging and Poor Drainage

Waterlogging is a common problem during the monsoon, especially in urban areas with inadequate drainage systems. The accumulation of stagnant water provides ideal conditions for mosquito breeding and increases the risk of dengue and malaria transmission.

4. Weakened Immune System

The monsoon season is accompanied by fluctuations in temperature and humidity, which can affect the immune system. A weakened immune system makes individuals more susceptible to dengue and malaria infections.

5. Increased Outdoor Exposure

People tend to spend more time outdoors during the monsoon season. This increased outdoor exposure exposes them to mosquito bites, especially during dawn and dusk when mosquitoes are most active.

6. Lack of Awareness and Prevention

Insufficient awareness about preventive measures and inadequate mosquito control efforts contribute to the higher incidence of dengue and malaria during the monsoon. People may neglect basic precautions such as using mosquito repellents, wearing protective clothing, and keeping their surroundings clean.

How to Avoid Dengue and Malaria During Monsoon?

Now that we understand the reasons behind the increased prevalence of dengue and malaria during the monsoon, let's explore effective strategies to avoid these diseases.

1. Eliminate Mosquito Breeding Sites

  • Remove stagnant water from your surroundings, including containers, flower pots, and discarded tires.
  • Clean and unclog drains and gutters to prevent water accumulation.
  • Regularly change the water in coolers, bird baths, and pet water bowls.
  • Use larvicides or mosquito repellents in stagnant water bodies that cannot be emptied.

2. Protect Yourself from Mosquito Bites

  • Use mosquito repellents containing DEET, picaridin, or lemon eucalyptus oil on exposed skin.
  • Wear long-sleeved shirts, long pants, and socks to minimize exposed skin.
  • Use mosquito nets while sleeping, especially if you live in an area prone to dengue or malaria.
  • Install screens on doors and windows to prevent mosquitoes from entering your home.

3. Maintain Hygiene and Cleanliness

  • Keep your surroundings clean and free of garbage that can collect water.
  • Regularly clean and scrub water containers to prevent mosquito breeding.
  • Use mosquito screens on water storage tanks to prevent mosquitoes from laying eggs.

4. Stay Informed and Seek Medical Help

  • Stay updated on the dengue and malaria situation in your area through local health authorities.
  • If you experience symptoms such as high fever, body aches, or persistent headaches, seek medical attention promptly.
  • Follow the prescribed treatment and complete the full course of medications to ensure complete recovery.
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Frequently Asked Questions (FAQs)

1. Can dengue and malaria be transmitted directly from person to person?

No, dengue and malaria cannot be transmitted directly from person to person. They require a mosquito vector for transmission. However, in rare cases, dengue transmission through blood transfusion or organ transplantation has been reported.

2. Are children more vulnerable to dengue and malaria during the monsoon?

Yes, children are more vulnerable to dengue and malaria infections during the monsoon due to their weaker immune systems and increased outdoor activities.

3. Can dengue and malaria be fatal?

Yes, both dengue and malaria can be fatal if not diagnosed and treated promptly. Severe forms of dengue, such as dengue hemorrhagic fever, and certain strains of malaria can be life-threatening.

4. Are there any vaccines available for dengue and malaria?

There is currently no licensed vaccine available for malaria. However, several vaccines for dengue have been developed and are being used in some countries. These vaccines offer partial protection against dengue but are not widely available globally.

5. Can herbal or natural remedies prevent dengue and malaria?

While some herbal or natural remedies claim to prevent or treat dengue and malaria, their effectiveness is not scientifically proven. It is crucial to rely on proven preventive measures and seek medical advice for appropriate treatment.

6. How long does it take to recover from dengue or malaria?

The recovery period from dengue or malaria varies depending on the individual and the severity of the infection. In general, it can take several weeks to a few months to fully recover from dengue or malaria.

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Conclusion: Why Dengue or Malaria is More Common During Monsoon

During the monsoon season, the risk of dengue and malaria increases due to factors like mosquito breeding sites, increased mosquito population, waterlogging, weakened immune systems, and lack of awareness. By following preventive measures such as eliminating breeding sites, protecting yourself from mosquito bites, maintaining cleanliness, and staying informed, you can significantly reduce the risk of contracting these diseases. Remember to seek medical help if you experience symptoms and complete the prescribed treatment. Stay vigilant, and stay safe!