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Dengue Mosquito: aedes aegypti

Introduction - what it is

Dengue is classified as a virus, ie a disease caused by viruses. The virus is transmitted to a healthy person through the bite of the infected female mosquito Aedes Aegypti.

This disease can manifest itself in two ways: classical dengue and hemorrhagic dengue.

Dengue Classic

The symptoms are milder. The patient has a high fever, headaches, backache and the area behind the eyes. Fever begins to subside from day 5 and symptoms from day 10. In the classic form, complications are unlikely to occur, but some patients may have mild bleeding in the mouth and nose.

Dengue hemorrhagic (occurs when the person gets the disease a second time)

In this case the disease is more severe. In the initial five days, the symptoms are similar to the classic type. However, as of the fifth day, some patients may experience bleeding in various organs of the body and circulatory shock. Vomiting, dizziness, breathing difficulties, severe and continuous abdominal pain, and blood in the stool may also occur. Without proper medical follow-up and treatment, the sick person may die.

It is in summer that this disease causes a greater number of victims, because the transmitting mosquito finds excellent breeding conditions. At this time of year, high temperatures and high rainfall (large amount of rainfall) increase and improve the ideal habitat for breeding Aedes Aegypti: standing water. Tin, old tires, potted plants, water tanks and other such places are used for this insect's female to lay its eggs. Another factor that makes large local urban centers preferred for this type of insect is the large amount of its main food: human blood.

Since there are no ways to completely eliminate the mosquito, the only way to combat the disease is to stop where the female reproduces.


In the case of classical dengue, there is no specific treatment. Symptoms are treated and rest and diet based on fruits, vegetables and liquids is recommended. Patients should not take acetylsalicylic acid-based painkillers or antipyretics (Aspirin, AAS, Melhoral, Doril, etc.) as they favor the onset and development of bleeding in the body.

In the most severe case, hemorrhagic, there should be close medical monitoring depending on the possible cases of worsening, blood loss and even circulatory shock.


- Aedes Aegypti egg can stay alive in a dry environment for almost a year. If in this period he comes into contact with water, a larva and then the mosquito may be born.

- Dengue is not passed from person to person, not even through fruits, vegetables, other foods or the use of objects.

IMPORTANT: The information on this page is only a source for research and school work. Therefore, they should not be used for medical advice. To do so, see a doctor for guidance and proper treatment.