Dengue fever

 'Dengue fever'  is a viral disease caused by  Flavivirus  (Arboviruses) transmitted by mosquitoes. It occurs in tropical Asia, Africa and Central and South America. It mainly affects young people, including children.

The incubation period is 3-7 days, then a sudden febrile condition lasting 3-6 days begins A two-phase process is common. The first phase is accompanied by "high fever and persistent myalgia and arthralgia" ( breakbone fever ). During the second phase, a "maculopapular rash" usually appears, which is most pronounced on the torso, without affecting the soles and palms. At the same time, the cervical nodes enlarge. Complications can be myocarditis or nervous system damage.

  'Hemorrhagic form'   is manifested by bleeding on the skin, may be accompanied by ascites, vomiting, abdominal pain; progression is manifested by  hypotension, hypovolemia, and shock. The cause is a recurrent infection with another serotype of the virus.

Diagnostic
Specific antibody titer.

Treatment
Symptomatic.

Prognosis
Usually good, except the hemorrhagic form.

Related articles

 * Hemorrhagic fevers
 * Arboviruses

Literature



 * DOSTÁL, Václav, et al. Infektologie. 1. vydání. Praha : Karolinum, 2004. 338 s. s. 228.  ISBN 80-246-0749-2.
 * BENEŠ, Jiří, et al. Infekční lékařství. 1. vydání. Praha : Galén, 2009. 651 s.  ISBN 978-80-7262-644-1.