Difference Between Dengue and Malaria

Dengue and Malaria have two commonalities between them: They are spread by mosquitoes and they are both responsible for scores of fatalities around the world each year.

Apart from these, the two mosquito-borne diseases are different from each other due to a wide array of factors.

Dengue fever is a tropical disease caused by the dengue virus.

Malaria is a fatal blood disease caused by a protozoan parasite. It results in intermittent and remittent fever.

Difference Between Dengue and Malaria - UPSC 2020

Keeping the context of the IAS Exam in mind, this article will highlight further differences between Dengue and Malaria.                                                                                                                                                         

Differences between Dengue and Malaria

Dengue

Malaria

Dengue is transmitted by an infected Aedes aegypti mosquito bite. It can also spread if another uninfected mosquito bites the infected person and then spreads it to other people. Aedes aegypti mosquito bite during the day time Malaria is transmitted through the bite of a female anopheles mosquito. Only the bite from this species of mosquito can spread the fever in contrast to dengue. The anopheles mosquito is active during the night time
Dengue is more widespread in tropical and subtropical regions. It is endemic in predominantly urban locations of Africa, the Americas, South East-Asia and Eastern Mediterranean Malaria has affected many regions in Asia, Latin America and in some limited areas of Europe and the Middle East. Cases of Malaria are more to be found in rural environments
The incubation period for dengue ranges from three to fourteen days after being bitten by the infected mosquito The onset of malarial fever is ten to fifteen days after being bitten by the mosquito
The bite from the Aedes aegypti mosquito is the only known mode of transmission of the dengue disease. The following are the modes of transmission for malaria:

  • Mosquito vector
  • Infected needles
  • Transfusion
The following are the symptoms  of dengue:

  • Sudden fever
  • Headache
  • Burning eyes
  • Loss of appetite
  • Bleeding Gums
  • Rashes on upper and lower limbs.
The following are the symptoms of malaria:

  • Fevers (periodic)
  • Chills
  • Vomiting
  • Dry cough
  • Sweating
  • Faints
There are no vaccines available for dengue, hence avoiding mosquito bites and adequately taking fluids is recommended Although no vaccines are available there are many anti-malarial medicines available. They are:

  • Chloroquine
  • Hydroxy-chloroquine
  • Mefloquine
When dengue fever progresses to dengue hemorrhagic fever, it can become a life-threatening complication. It can lead to pneumonia and swelling of the heart. Life-threatening complications of malaria include:

  • Kidney Failure
  • Erratic liver function
  • Water retention in the lungs
  • A decrease in white blood cells
Dengue is diagnosed through an antigen test and anti-body test Malaria is diagnosed by microscopic tests of the visuals of the virus

Both dengue and malaria are covered under the Science and Technology segment of the UPSC Exams. Aspirants can find links to study this segment below:

Difference Between Dengue and Malaria – Download PDF Here

Frequently Asked Questions about Dengue and Malaria

What is common between malaria and dengue?

Malaria is caused by Plasmodium – a single-celled parasite that is transmitted through the bite of the female Anopheles mosquito. Typically, you can see the symptoms of Malaria 8-25 days after the mosquito bite. Dengue, on the other hand, is also transmitted by a mosquito bite – the Aedes mosquito to be precise.

How infectious is Malaria?

Malaria is not transmitted person to person. Although it is an infectious disease, it is not communicable in most instances to uninfected individuals. It is possible to transmit malaria through blood transfusions, to a fetus, or by organ donation.

To know more about the general pattern of the UPSC exams, candidates can visit the UPSC Syllabus 2020 page. More UPSC preparation-related articles are given in the table below:

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