dr. abramowitz. dr. abramowitz, you've been sending the liberian health factor in west africa and humanitarian response for over a decade. this means you have connected years and the fieldwork region, including gaffin now reaching of new guinea, the first area of the outbreak. can you provide us with some context for what is it about the situation in liberia, specifically that is made this crisis? >> sure. thank you for having me. it's really another to be your and i really applaud the efforts of everybody in this idea to put together an academic and governmental response as quickly as possible. as a cultural anthropologist, mike to start off with the story. this is coming from a friends of liberia dispatch released in late july 2014. during the visit to a family of ebola orphans, three little boys come a health care worker tracking cases is just way by the orphans uncle. before she was chased away, the uncle explained to the health care worker their mother had contract of ebola from aunt who had died. th