11.   Two isolation units have been set up in Gabon to treat victims, and health officials are tracing and observing anyone known to have had contact with the sick.

12.   A Gabonese health official told AFP the government was confident it would be able to keep the crisis under control by setting up isolation units and through public information.

13.   By late Saturday, Lahana was in serious but stable condition in a special isolation unit at the public Johannesburg Hospital, authorities said.

14.   Simpson said the WHO was hopeful that it would be able to set up another isolation unit in Congo.

15.   Simpson said WHO was hopeful that it would be able to set up another isolation unit in Congo.