irinnews.org - BRAZZAVILLE Thursday, November 13, 2008 (IRIN) - Cassava is the staple food for most people in the Republic of Congo, but this main source of nourishment is being threatened by a disease that has spread to most areas of the country. "We've been having problems for more than two years and it's getting worse with the mosaic destroying our crops," said Rose Ambeto, who has several cassava fields. The virus, known as cassava mosaic disease (CMD),...» view full story