Rift Valley Fever is typically found in which region, and where did it recently spread?

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Multiple Choice

Rift Valley Fever is typically found in which region, and where did it recently spread?

Rift Valley Fever is a disease that primarily circulates in sub-Saharan Africa, where livestock such as sheep, goats, and cattle act as amplifying hosts and mosquitoes serve as the main vectors. Outbreaks tend to occur after heavy rains and flooding, which boost mosquito populations and transmission cycles between animals, with humans getting infected mainly through contact with infected animal tissues or fluids. Recently, the virus has moved into North Africa, illustrating how the ecological conditions—mosquito vectors and livestock movement—can allow the virus to cross traditional geographic boundaries. For example, outbreaks or evidence of transmission have been reported in North Africa, reflecting this expansion beyond the classic sub-Saharan range.

Rift Valley Fever is a disease that primarily circulates in sub-Saharan Africa, where livestock such as sheep, goats, and cattle act as amplifying hosts and mosquitoes serve as the main vectors. Outbreaks tend to occur after heavy rains and flooding, which boost mosquito populations and transmission cycles between animals, with humans getting infected mainly through contact with infected animal tissues or fluids.

Recently, the virus has moved into North Africa, illustrating how the ecological conditions—mosquito vectors and livestock movement—can allow the virus to cross traditional geographic boundaries. For example, outbreaks or evidence of transmission have been reported in North Africa, reflecting this expansion beyond the classic sub-Saharan range.

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