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Dengue fever
Summary
Cause
: Dengue virus (flavivirus)
Transmission
: Aedes mosquito (
arbovirus
)
Symptoms
: high fever, headache, rash, intense limb pain (
breakbone fever
)
Pathogenesis
: Viremia leading to liver infection; immune response (interferon) acconts for some symptoms. DTH response causes hemorrhagic fever
Complications
: long-term weakness and depression; dengue hemorrhagic fever
Treatment
: supportive
Immunity
: lifelong
Vaccine
: none