that watch list, there s zero chance that any of those young men or that louise carries the ebola virus. reporter: while this marks the all-clear point for them and more than 40 others who had contact with duncan before he was hospitalized, this is a critical time for the 75 health care workers who treated duncan at this dallas hospital. if the virus was spread, this is when symptoms would be most likely to surface. so far no one other than nurses amber vinson and nina pham have been infected. both still hospitalized as concern were proven to be unfounded about one of their colleagues who handled some of duncan s specimens. despite the lab supervisor showing no symptoms, she was quarantined on this ship. a helicopter sent to pick up a blood sample from her on board. it came back negative but still the carnival magic was sent back to texas early. we were very frustrated. we wish she had reporter: more than 100
in dallas, vinson s neighborhood on edge. police knocking on 300 doors before sunrise to tell neighbors of the ebola patient living among them. juan casada had an officer on his doorstep at 6:00 a.m. when i read here the likelihood of contracting ebola is extremely low, it kind of concerns me because it s right now it s knocking on my door. reporter: those 75 health care workers who treated duncan still being monitored. the dallas mayor warning more ebola cases could emerge. it may get worse before it gets better, but it will get better. reporter: high anxiety among some of those doctors and nurses. an associated press review of duncan s medical records revealing he had been in the hospital for two days before people treating him started wearing hazmat suits. a national nurses union says several nurses are complaining of serious safety lapses. that it took several hours to put duncan in isolation. that their protective clothing left skin exposed. and that potentially infectio
of ebola caught him off guard. we are monitoring, supervising, overseeing in a much more aggressive way exactly what s taking place in dallas initially and making sure that the lessons learned are then transmitted to hospitals and clinics all across the country. reporter: lesson one, a faster response. the president ordered a cdc medical s.w.a.t. team to visit any ebola hospital within 24 hours of a new case. house speaker john boehner and other republicans are calling for a travel ban for people from west africa. mr. obama said such a ban is off the table, though passenger screening will continue. i am absolutely confident that we can prevent a serious outbreak of the disease here in the united states. reporter: many americans aren t convinced. 65% in a new abc news/ washington post poll are concerned about an epidemic. almost as many as fear a terror attack. the president said he has faith in science that ebola won t spread fast or far.
servant leader. this is a person with their life before them. reporter: last friday, two days after duncan died amber vinson flying to cleveland to visit her mother and plan her wedding. but while she was there, back in dallas, her fellow nurse nina pham developing a fever, going to the hospital, diagnosed with ebola. the very next day, vinson getting on a frontier airlines flight with 132 other passengers and flying home to dallas. the cdc trying to track down those travelers and confirming they knew she had an elevated temperature but did not prevent her from flying. then troubling news. vinson developing a fever, driving herself to texas health presbyterian hospital. within 90 minutes, she was in isolation. a new journey. this specially outfitted plane flying vinson to emory. look at these exclusive images. the isolation room inside. the stretcher for the patient. separate quarters for the medical team. everything sealed to avoid contamination.
announcer: from abc news, this is world news now. good morning to you all. thank you for spending some time with us. i m t.j. holmes. i m reena ninan. we want to get straight to the latest details on ebola in america. this morning, amber vinson, the second nurse diagnosed with the virus is at emory university hospital in atlanta. the plane on which she traveled the day before she showed symptoms is now out of service at the airline s headquarters in denver. meanwhile, president obama has canceled travel again today to monitor the ebola situation. our team coverage begins with tom llamas in dallas. reporter: amber joy vinson in a full hazmat suit walking off the high-tech bio containment plane heading to a new hospital. the associated press reporting she had close contact with thomas eric duncan, inserting catheters, drawing his blood. no word yet on exactly how she became infected. this is a heroic person, a person who dedicated her life and has is dedicating her life t