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Dengue in Grenada.

André Panagos1, Erik R Lacy, Duane J Gubler

  • 1Windward Islands Research and Education Foundation, True Blue Campus, St. George's, Grenada, West Indies.

Revista Panamericana De Salud Publica = Pan American Journal of Public Health
|June 23, 2005
PubMed
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A 1996 Grenada study found high dengue IgG antibodies, indicating widespread past exposure. Despite public awareness, knowledge gaps persist regarding mosquito-borne disease transmission, highlighting the need for targeted community education.

Area of Science:

  • Epidemiology
  • Public Health
  • Vector-borne Diseases

Background:

  • Dengue fever is a significant public health concern in Grenada, often underreported.
  • Assessing the true burden of dengue is crucial for effective control strategies.

Purpose of the Study:

  • To evaluate the dengue fever status in a representative Grenadian community.
  • To assess residents' knowledge, attitudes, and practices (KAP) regarding dengue.
  • To determine the prevalence of Aedes aegypti mosquitoes and dengue antibodies.

Main Methods:

  • Conducted surveys in St. George's parish from March to June 1996.
  • Assessed KAP, identified Aedes aegypti breeding sites and adult populations.
  • Measured dengue-specific immunoglobulin G (IgG) antibody seroprevalence.

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Main Results:

  • 93% of participants tested positive for dengue IgG antibodies, indicating past exposure.
  • 56% of households had Aedes aegypti larvae, and 92% had adult mosquitoes indoors.
  • 96% of residents stored fresh water, a common breeding source.

Conclusions:

  • Despite familiarity with dengue, knowledge of transmission dynamics was incomplete.
  • The study highlights a need for enhanced community education on dengue prevention.
  • Targeted interventions are necessary to reduce Aedes aegypti populations and disease transmission.