WASHINGTON (AP) — A cruise ship with a Dallas health care worker aboard who is being monitored for signs of Ebola did not receive clearance to dock in Cozumel, Mexico, a day after Belize refused to let the passenger leave the vessel.

Obama administration officials said the passenger handled a lab specimen from a Liberian man who died from Ebola at Texas Health Presbyterian Hospital earlier this month. Officials said the woman poses no risk because she has shown no signs of illness for 19 days and has voluntarily self-quarantined on the cruise ship, the Carnival Magic.