Yellow fever is an acute viral hemorrhagic disease transmitted by infected mosquitoes. The ‘yellow’ in the name refers to the jaundice that occurs as a consequence of the infection in some patients.
Types of yellow fever-
Jungle Yellow Fever
Urban yellow fever
Urban yellow fever is the cause of most yellow fever outbreaks and epidemics.
Yellow fever is caused by the yellow fever virus. It is an arbovirus and belongs to the family Flaviviridae.
Aedes aegypti is the type of mosquito that usually carries yellow fever from human to human. People get yellow fever from the bite of an infected female mosquito. These mosquitoes have adapted to live among humans in cities, towns, and villages. They breed in discarded tyres, flower pots, oil drums, and water storage containers close to human dwellings.
Symptoms of yellow fever include high fever, chills, headache, muscle aches, vomiting and backache. The infections are usually mild, but the disease can cause severe, life-threatening illness. Jaundice, kidney failure and internal bleeding can be seen in such severe cases.
There is no specific treatment for yellow fever. The treatment aims at providing symptomatic relief to the patient.
Vaccination against yellow fever and effective mosquito control can prevent the transmission of yellow fever.
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