21. Rift Valley fever is transmitted to humans by female mosquitoes that suck the blood of infected animals.22. It is not known if " Skusea pembaensis " is capable of transmitting Rift Valley Fever virus. 23. Saudi Arabia imposed the ban after more than 50 people died of Rift Valley fever last year. 24. The researchers said that satellite data could give a two-to-five-month warning of a Rift Valley Fever outbreak. 25. _Epidemics of Rift Valley fever , a deadly mosquito-borne disease, rage through northeastern Africa during years of unusual warmth. 26. If the climate becomes permanently warmer and wetter, as some predict, Rift Valley fever epidemics will become frequent. 27. Klaucke said there is no specific treatment for Rift Valley fever , but patients benefit from rehydration and nourishment. 28. The death rate from Rift Valley fever has tapered off, and appears to be under control, Ryan said. 29. The struggling economy has been seriously effected by a livestock ban imposed on Somalia because of Rift Valley Fever . 30. He wants to do more work on the Rift Valley fever virus, which he has been investigating for years.
