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Monitoring climatic indicators

Rainfall seasonal forecast for the period July-August-September 2004 in West Africa, Chad and Cameroun and potential impact on vector-borne diseases









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    Book (series)
    Monitoring climatic indicators in West Africa 2005
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    Seasonal forecasts produced for the West African region seem to indicate an increased probability of observing a wet and long rainy season from July to September 2005. If the current forecast is confirmed in the coming weeks / months, there will be a higher risk of vector-borne disease occurrence towards October-November in high risk areas of West Africa. Active and passive disease surveillance for Rift Valley fever and other vector-borne diseases need to be strengthened during the coming weeks and surveillance activities should be stepped up.
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    Brochure, flyer, fact-sheet
    Real-time monitoring and forecasting of Rift Valley fever in Africa 2019
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    Rift Valley fever (RVF) is a vector-borne disease that severely impacts livelihoods, national and international markets, and human health. RVF is currently limited to Africa and parts of the Near East but has the recognized potential to expand globally. The disease in livestock is spread primarily by mosquitoes and the movement of animals. Clinical disease has been observed in sheep, goats, cattle, buffaloes, camels and humans. RVF is zoonotic. It can result in widespread febrile illness in humans, associated with severe and sometimes fatal sequelae in under one percent of cases. Outbreaks of RVF are closely associated with climate anomalies such as periods of heavy rains and prolonged flooding, which increase habitat suitability for vector populations, thus influencing the risk of disease emergence, transmission and spread. In this context, Early Warning Systems represent an essential tool providing information on occurring animal health hazards that might evolve into disasters unless early response is undertaken. To enable national authorities to implement measures preventing outbreaks, FAO developed the RVF Monitoring/Early Warning System. This tool has been crucial to successfully forecast hotspots for RVF vector amplification, providing recommendations and early warning messages for countries at risk of RVF outbreaks.
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    Book (series)
    Climate Models Predict Persistent Above-Average Rains and Risk of Flooding in East Africa: FAO, OIE and WHO Warn Countries to Remain Vigilant about Rift Valley Fever
    December 2014. Vol. 31
    2014
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    Rift Valley fever (RVF) is an arthropod-borne arboviral disease that predominantly affects ruminants and humans, causing major socio-economic implications.

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