Yellow fever occurs in sub saharan africa and tropical south america where it is endemic and intermittently epidemic see tables 3 22 and 3 23 for a list of countries with risk of yfv transmission most yellow fever disease in humans is due to sylvatic or intermediate transmission cycles. Yellow fever and the south is not about the suffering and death from the repeated visits of this terrifying disease although it is about the panic the suffering and death can be found in other histories. Yellow fever is an infectious vector borne disease that is caused by a virus transmitted by the bite of an infected mosquito vector such as aedes aegyptisouth africa has a risk of introduction of the disease as the mosquito vector exists in the country. Yellow fever maps 1 this map is an updated version of the 2010 map crated by the informal who working group on the geographic risk of yellow fever 2 yellow fever yf vaccination is generally not recommended in areas where there is low potential for yf virus exposure
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