Dengue
Dengue is a viral infection caused by the dengue virus, which is transmitted to humans primarily through the bite of infected mosquitoes, particularly Aedes mosquitoes. The virus belongs to the Flaviviridae family and is classified into four distinct serotypes: DEN-1, DEN-2, DEN-3, and DEN-4.
Key features of dengue include:
- Vector Transmission: The primary vectors for the dengue virus are Aedes aegypti and, to a lesser extent, Aedes albopictus mosquitoes. These mosquitoes become infected when they bite a person already infected with the dengue virus and can then transmit the virus to other individuals through subsequent bites.
- Fluctuating Severity: Dengue infection can range from mild, flu-like symptoms to severe forms, such as dengue hemorrhagic fever (DHF) and dengue shock syndrome (DSS). Severe cases can be life-threatening and require immediate medical attention.
- Common Symptoms: Common symptoms of dengue include high fever, severe headache, pain behind the eyes, joint and muscle pain, nausea, vomiting, and a skin rash. In severe cases, bleeding, organ impairment, and a rapid drop in blood pressure may occur.
- No Specific Treatment: There is no specific antiviral treatment for dengue. Supportive care is needed to manage symptoms, and patients are advised to stay hydrated and seek medical attention if symptoms worsen.
- Prevention: Dengue prevention involves controlling mosquito populations, such as eliminating breeding sites and personal protective measures, including using mosquito repellents and wearing protective clothing.
Dengue is a significant public health concern, especially in tropical and subtropical regions where the Aedes mosquitoes thrive. Efforts to control mosquito populations, raise awareness, and implement preventive measures are crucial in managing and reducing the impact of dengue outbreaks.
Mosquito-borne Disease Related Links
Page updated: 1/18/2024