In a follow-up on the human Rift Valley fever (RVF) situation in the African country of Mauritania, the country’s health ministry reported four additional human cases and one more fatality.
Out of 145 total tests performed, in addition to the RVF cases, two cases of Crimean-Congo hemorrhagic fever (CCHF) were reported. One of the cases died from the viral infection.
Rift Valley Fever is an acute viral hemorrhagic fever that causes illness in animals (such as cattle, buffalo, sheep, goats, and camels).
Most people with RVF have either no symptoms or a mild illness with fever, weakness, back pain, and dizziness. A small percentage (8-10%) of people with RVF develop much more severe symptoms, including eye disease, hemorrhage (excessive bleeding), and encephalitis (swelling of the brain). Most people recover within one week. Approximately 1% of people who get RVF die.
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