Dengue (pronounced den'' gee) is a disease caused by any one of four closely related viruses (DEN-1, DEN-2, DEN-3, or DEN-4). The viruses are transmitted to humans by the bite of an infected mosquito. In the Western Hemisphere, the Aedes aegypti mosquito is the most important transmitter or vector of dengue viruses, although a 2001 outbreak in Hawaii was transmitted by Aedes albopictus. It is estimated that there are over 100 million cases of dengue worldwide each year.
The principal symptoms of dengue are high fever, severe headache, backache, joint pains, nausea and vomiting, eye pain, and rash. Generally, younger children have a milder illness than older children and adults.
Dengue hemorrhagic fever is characterized by a fever that lasts from 2 to 7 days, with general signs and symptoms that could occur with many other illnesses (e.g., nausea, vomiting, abdominal pain, and headache). This stage is followed by hemorrhagic manifestations, tendency to bruise easily or other types of skin hemorrhages, bleeding nose or gums, and possibly internal bleeding.
It is characterized by fever using the initial phase, and other symptoms like headache, pain in the eye, joint pain, muscle pain, etc., followed by signs of bleeding, eg., petechiae (red tiny spots on the skin), nosebleeding, gumbleeding. If there is blood in the stools and/or blood in the vomitus and accompanied by shock, this is called Dengue Shock Syndrome and is often fatal.
Aedes aegypti, the transmitter of the disease, is a day-biting mosquito which lays eggs in clear water container, such as flower vases, cans, rain barrels, old rubber tires, etc. The adult mosquitoes nest in dark places of the houses.
The principal symptoms of dengue are high fever, severe headache, backache, joint pains, nausea and vomiting, eye pain, and rash. Generally, younger children have a milder illness than older children and adults.
Dengue hemorrhagic fever is characterized by a fever that lasts from 2 to 7 days, with general signs and symptoms that could occur with many other illnesses (e.g., nausea, vomiting, abdominal pain, and headache). This stage is followed by hemorrhagic manifestations, tendency to bruise easily or other types of skin hemorrhages, bleeding nose or gums, and possibly internal bleeding.
It is characterized by fever using the initial phase, and other symptoms like headache, pain in the eye, joint pain, muscle pain, etc., followed by signs of bleeding, eg., petechiae (red tiny spots on the skin), nosebleeding, gumbleeding. If there is blood in the stools and/or blood in the vomitus and accompanied by shock, this is called Dengue Shock Syndrome and is often fatal.
Aedes aegypti, the transmitter of the disease, is a day-biting mosquito which lays eggs in clear water container, such as flower vases, cans, rain barrels, old rubber tires, etc. The adult mosquitoes nest in dark places of the houses.
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ReplyDeleteClosely related virus are always cause due to still water. Always make sure that you dont have any still water surrounding your residents. diseases by mosquitoes
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