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St. Louis encephalitis virus is spread by
mosquitoes and causes a severe encephalitis with a
near 10% fatality rate. Colorado tick fever, spread by the wood tick, causes
fever, headache, retro-orbital pain, and severe myalgia.
Fever and jaundice characterize yellow fever, a life-threatening disease spread
by mosquitoes. Following fever, headache, myalgias,
and photophobia, the symptoms progress to the liver, kidney, and heart.
Mortality rate is high. Dengue fever shares the same mosquito vector as yellow
fever. Classic dengue fever (breakbone fever)
includes flu-like symptoms. Severe muscle and joint (breakbone)
pain occurs. Coxsackievirus is spread by the
fecal-oral route.
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