Dengue (fever kostolomnaya, a five- or seven-day fever, giraffes) - a viral disease, which is a carrier mosquito genus Aedes.
Pathogens are viruses of the family Togaviridae genus Flavivirus.The virus is transmitted from a sick person, monkeys and possibly a bat through a mosquito bite.
At temperatures below 22 grams.Dengue viruses do not multiply in the mosquito.Therefore, the disease does not spread beyond the countries of South and Southeast Asia, Oceania, Africa and the Caribbean.
At first acquaintance with the virus develops the classic form of dengue fever - it is more "tourist" version.
feature of this type of fever is that infection can occur multiple different strains of the virus.And in this case it develops more severe hemorrhagic form, which affects mainly the locals.
disease develops within 3-15 days after the bite of an infect
In the classical form of dengue fever occurs a sharp rise in temperature to 39-400S, develops nausea and dizziness, insomnia with acute loss of strength, pain in the bones, joints and muscles (hence one of the names of dengue fever - "kostolomnaya").
The skin rash, which lasts for 3-7 days.The facial skin, whites of the eyes turn red, the face becomes odulovatym.On the third day since the beginning of the disease the temperature drops sharply, but after 1-3 days again soars to past performance, even after 2-3 days falls again.
When hemorrhagic form of dengue fever to the symptoms listed above is added to the gastro-intestinal bleeding and conformity, vomiting blood and bleeding from the gums.Due to the loss of blood a person turns pale, his blood pressure is reduced, the skin becomes bluish tint.
Subsequently, the patient may develop life-threatening complications of infectious and toxic shock syndrome, encephalitis (inflammation of the brain) or meningitis (inflammation of the meninges), pneumonia, otitis media, or mumps, polyneuritis.
their manifestation dengue is similar to a number of other fevers manifested hemorrhagic syndrome and joint disease, as well as malaria, meningococcemia and blood poisoning (sepsis).To determine the causative agent is conducted virological and serological blood test.
As is the case with many other fevers caused by viruses, specific treatment for dengue fever does not exist.Doctors can only support the patient's medications and care, helping to survive the disease.
dengue vaccine is still not there.The complexity of its inception in that the disease is caused by four different types of virus, the vaccine should therefore be tetravalent.
Even endured dengue patient is not immune to re-infection.Immunity lasts only a few years, so after a while a person can get dengue fever again.
The threat of disease is also saved if he will face a different strain of the virus, but not with those from which successfully cured.
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