Photo: The Canadian Press. All rights reserved.

Dallas Mayor Mike Rawlings points to a chart about the incubation of the Ebola virus and potential for infections during a press conference Monday, Oct. 20, 2014, in Dallas. The first contacts of the first Dallas Ebola infection are now cleared of the potential of developing the sickness. (AP Photo/LM Otero)

Texas health officials say 120 people are still being monitored for possible infection with Ebola because they may have had contact with one of the three people who got the disease in Dallas.

Officials said Monday that 43 of 48 people on an original watch list had passed the 21-day incubation period for the viral disease and are now in the clear.

But others who cared for a Liberian man who died Oct. 8 at a Dallas hospital remain at risk, along with two nurses he infected there. Nov. 7 is when the wait period will end for all of those being monitored.

Health officials also say they were unaware that federal officials had allowed one of the nurses to fly the day before she was diagnosed with the deadly virus.