What is Chagas disease?

What is?

Chagas is a disease caused by the parasite Trypanosoma cruzi, which can live in blood and tissues of humans and animals and insect digestive tract or bug as the kissing bug. As the insect feeds on the blood of people and animals, transmits the disease by biting.

What are the symptoms?

At first symptoms they may appear or occur very attenuated. The first to appear are prolonged fever, diarrhea, headache, fatigue, irritability, vomiting, loss of appetite and malaise. After 20 or 30 years affected his heart and digestive and nervous systems, leading it to death.

Is there a treatment?

Children, adolescents, young people and people of any age infected recently are most likely to be cured if treated properly in time.

How can it be prevented?

maintain the house and grounds as organized as possible
ventilate beds and cots.
clean behind furniture and objects hanging on the walls.
prevent animals sleep inside the house.
put chicken coops or pens as far away from the house.
carrying out fumigation of houses.

Life cycle

To learn how to avoid it, you have to know what their life cycle.

How Chagas disease is transmitted

Not all bugs of the genus Triatoma are infested with trypanosome. But if the person is bitten by an infected bug, surely will contract the disease.

Trypanosome is a parasite that comes to healthy bug after it foundered animals (wild or domestic) or human trypanosome infected. When this occurs, the parasite multiplies in the intestine of the bug. Therefore, when an infected bug bites a healthy person, it will not take the parasite in the blood. But when defecating near the wound, it will stop trypanosomes with feces, which will come into contact with the wound for involuntary scratching, penetrating the blood of the person.

When the parasite reaches the human blood, the first thing it does is infect striated muscle fibers in different locations, or phagocytes (immune cells whose main function is to remove bacterial debris, accessories antigen-antibody and other waste). They begin to multiply inside muscle cells or the phagocyte, going through different stages of evolution, so that the cell can not accommodate more parasites and breaks.

The parasites are spread by blood, but can infect other cells, since only within them can multiply.

When a bedbug bites an infected person, blood takes with free parasites and the cycle begins again by biting into a different person.


News of interest, based on the Argentina Initiative.

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