Dallas (CNN) -- Health officials are reaching out to as many as 100 people who may have had contact with the first Ebola patient diagnosed in the U.S., a federal official told CNN Thursday. These are people who are still being questioned, who may have crossed paths with the patient either at the hospital, at his apartment complex or in the community.
The number of direct contacts who have been identified right now is still closer to 12, the official said.
"By the end of the day we should have a pretty good idea of how many contacts there are," the official said.
This contradicts what Dallas County Health and Human Services spokeswoman Erikka Neroes said earlier Thursday. Neroes said 80 people -- the patient's contacts, plus people with whom they had contact -- are currently being monitored for Ebola in the Dallas area.
Being "monitored" means a public health worker visits twice a day to take the contact's temperature and ask them if they are experiencing any symptoms.