DAR ES SALAAM Friday, October 17, 2008 (IRIN) - Health authorities in Tanzania have urged people to take precautionary measures against Rift Valley Fever (RVF), saying there were signs that the disease might erupt. "The government has conducted surveys in border regions and established that there was a likelihood of a breakout of the deadly disease," said Aisha Kigoda, Tanzania's deputy minister for health on Friday. She said the disease usually occurs during rainy season which is just around...