Official : Obama seeks $ 1.5 billion for current response and $ 4.5 billion for contingency fund . The World Health Organization says more than 4,800 Ebola deaths have been reported . The number of weekly probable and suspected cases appears to be on the decline nationwide in Liberia , though the death toll there increased by 248 , the WHO said in the report , released Wednesday . A Americans nurse 's assistant leaves the hospital after beating Ebola . In New York , Dr. Amber Vinson `` continues to show improvement , '' officials say .
Official : Obama seeks $ 1.5 billion for current response and $ 4.5 billion for contingency fund . The World Health Organization says more than 4,800 Ebola deaths have been reported . A Americans nurse 's assistant leaves the hospital after beating Ebola . In New York , Dr. Amber Vinson `` continues to show improvement , '' officials say .