dr robert hayley was at the written. >> this was not a fault of the hospital, the nurses. it was not the fault of the c.d.c. everybody thought it would work, and so when it happened. it was - i like to think of this, this was a blindspot from all the experts and the whole country. when the nurse was infected, i failed. >> reporter: from supporting hospitals to deciding that ebola patients should be in specialised hospitals, to the early days, the leadership of the c.d.c. appeared to be playing catch-up. and local authorities sometimes went against the science to reassure a public. in texas, disinfecting a school where children had minimal contact with duncan. for officials, striking a balance between extraprecautions and sticking to the science is a challenge. after craig spencer's diagnosis, nurse kasi hickox was put under forced quarantine, a tent in a parking lot. after returning from west africa. her quarantine sparked debate and outrage about the stigma cast on those treating ebola. there was in reminder from dr craig spencer. >> my case has garnered international att