dr. luciana borio from the food and drug administration, dr.from georgetown university and dr. beth cameron from the white house. i would like to show you just a few slides primarily from the time we spent last august in sierra leon and we have strongly held opinions based on that experience and everything that i have done over the last 35 years in medicine and research and public health on what i think is happening and what needs to happen to respond to the ebola crisis which is now in west africa but soon maybe elsewhere. this is a sign from sierra leone find everywhere, signs and symptoms of ebola virus. early clinical parts of illness are tied to symptoms that are nonspecific fever diary of and that means they are very much parts of the illness. the signs and symptoms are nonspecific. that means that they are very much imitative of common diseases, much more common diseases in west africa like malaria or typhoid or gastroenteritis so it's hard to know if someone has ebola or they have a much more common diseases such as mar