Ridley Scott , Lynda Obst doing an Ebola-themed TV series . Comment: Worries have stoked fear , been aired in Washington .
Ridley Scott , Lynda Obst doing an Ebola-themed TV series . Story will be drawn from Richard Preston 's best-seller , `` The Hot Zone '' Disease has killed almost 4,500 in Africa . Worries have stoked fear , been aired in Washington .