Dengue is a viral infection transmitted by Aedes mosquitoes, primarily Aedes aegypti. The disease is common in tropical and subtropical regions and is characterized by sudden high fever, severe headache, pain behind the eyes, joint and muscle pain, rash, and mild bleeding. In some cases, dengue can progress to severe forms, such as dengue hemorrhagic fever or dengue shock syndrome, which can be life-threatening without proper medical intervention. The virus has four distinct serotypes, and infection with one serotype provides immunity only to that particular strain, leaving individuals susceptible to future infections with other serotypes. There is no specific antiviral treatment for dengue, so management focuses on relieving symptoms, maintaining fluid balance, and monitoring for complications. Preventive measures include mosquito control, use of insect repellents, and eliminating breeding sites to reduce mosquito populations.
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