Dengue in Delhi: 40 cases in one week, 1st death - Outbreak News Today | Outbreak News Today Outbreak News Today
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The Indian capital of Delhi saw 40 dengue fever cases during the past week in the city, including the first fatality, which has prompted health officials to open 350 dengue clinics.

Image/DasWortgewand

Image/DasWortgewand

The fatality, reported late last week, was a 17-year-girl who had the most severe form of the viral disease, dengue shock syndrome.

The total number of deadly viral infections has jumped to 90 to date, which is more than double of the number of cases reported last year, according to the Hindustan Times. Last year was an outbreak year, with more than 15,000 people affected with the infection, of which 60 had died.

The recent surge in cases has prompted the Delhi government to prepare to open 350 dengue clinics.

Dengue is a viral infection transmitted by the bite of an infected mosquito. There are four closely related but antigenically different serotypes of the virus that can cause dengue (DEN1, DEN 2, DEN 3, DEN 4).

  • Dengue Fever (DF) – marked by an onset of sudden high fever, severe headache, pain behind the eyes, and pain in muscles and joints. Some may also have a rash and varying degree of bleeding from various parts of the body (including nose, mouth and gums or skin bruising).Dengue has a wide spectrum of infection outcome (asymptomatic to symptomatic). Symptomatic illness can vary from dengue fever (DF) to the more serious dengue hemorrhagic fever (DHF).
  • Dengue Hemorrhagic Fever (DHF) – is a more severe form, seen only in a small proportion of those infected. DHF is a stereotypic illness characterized by 3 phases; febrile phase with high continuous fever usually lasting for less than 7 days; critical phase (plasma leaking) lasting 1-2 days usually apparent when fever comes down, leading to shock if not detected and treated early; convalescence phase lasting 2-5 days with improvement of appetite, bradycardia (slow heart rate), convalescent rash (white patches in red background), often accompanied by generalized itching (more intense in palms and soles), and diuresis (increase urine output).
  • Dengue Shock Syndrome (DSS) — Shock syndrome is a dangerous complication of dengue infection and is associated with high mortality. Severe dengue occurs as a result of secondary infection with a different virus serotype. Increased vascular permeability, together with myocardial dysfunction and dehydration, contribute to the development of shock, with resultant multiorgan failure.

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