WASHINGTON (AP) — Carnival Cruise Lines says the Texas health care worker who is on board the Carnival Magic cruise ship is in isolation and is "not deemed to be a risk" to passengers or crew members.

The worker had handled a lab specimen from a Liberian man who died from Ebola.

Officials in Washington say the woman is self-quarantined on the Caribbean cruise ship, and is being monitored for infection. They say the woman has shown no signs of the disease. A State Department spokeswoman says when the woman left the U.S. on the cruise shipfrom Galveston, Texas last week, health officials were requiring only self-monitoring.

The cruiseline says in a statement that it's been in "close contact" with the Centers for Disease Control and Prevention. And the company says "the appropriate course of action" is to keep the passenger "in isolation on board."

An administration official has said that the cruise shipstopped in Belize, but that officials there would not allow the passenger to leave the vessel.

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