Rift Valley fever – Madagascar

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Rift valley fever in Mananjary, Madagascar (Fianarantsoa Province) is spreading from zebu cattle to humans. Five people died from contracting this virus.

The disease can spread from the zebus to humans through consuming uncooked meat or milk. People showed symptoms such as headaches and stomach aches.

Five people have died from Rift Valley Fever in Mananjary.

It is recommended to not take care of animals with the virus.

Zebu is a type of cattle originating in South Asia. They are also known as indicine cattle or humped cattle, because of their unique fatty hump on the shoulders.

Photo: Rift Valley Fever virions inside of cells – Electron micrograph.

Rift Valley fever (RVF) is a viral disease of humans and livestock that can cause mild to severe symptoms.

The mild symptoms may include: fever, muscle pains, and headaches which often last for up to a week. The severe symptoms may include: loss of sight beginning three weeks after the infection, infections of the brain causing severe headaches and confusion, and bleeding together with liver problems which may occur within the first few days. Those who have bleeding have a chance of death as high as 50%.

Outbreaks of the disease have only occurred in Africa and Arabia. Outbreaks usually occur during periods of increased rain which increase the number of mosquitoes.

The disease was first reported among livestock in Rift Valley of Kenya in the early 1900s, and the virus was first isolated in 1931.

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