Dengue fever

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Dengue fever

  1. 1. By: Marcos García Nicolás
  2. 2. DEFINITION  Dengue fever is an infectious tropical disease caused by the dengue virus. It’s transmitted by several species of mosquito. This fever is observed frequently in people who travel around the world. Aedes aegypti
  3. 3. SYMPTOMS The principal symptoms are:  fever  headache  muscle and joint pains  characteristic skin rash that is similar to measles.
  4. 4. FEVER  The febrile phase involves high fever, potentially over 40 °C, and is associated with generalized pain and a headache; this usually lasts two to seven days. Nausea and vomiting may also occur.
  5. 5. OTHER SYMPTOMS  Dengue can occasionally affect several other body systems, either in isolation or with the classic dengue symptoms. A decreased level of consciousness occurs some cases, which is explained by an inflammation of the brain by the virus or as a result of impairment of vital organs, for example, the liver.
  6. 6. DENGUE FEVER EVOLUTION  In a small proportion of cases the disease develops into dengue hemorrhagic fever, resulting in bleeding, low levels of blood platelets and the lose of blood plasma, or into dengue shock syndrome, where dangerously low blood pressure occurs.  This types of deseases are much more dangerous and can cause the died
  7. 7. PREVENTION  There are no approved vaccines for the dengue virus so the prevention depends of the control and protection from the bites of the mosquito that transmits it.
  8. 8.  Other method of controlling this fever is eliminating the Aedes aegypti mosquito’s habitats.  This is done by emptying containers of water or by adding insecticides orbiological control agents to these areas

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