Mali slapped quarantine orders on nearly 90 people on Wednesday and closed a mosque and a health facility in an effort to contain an Ebola outbreak.

The moves come after a nurse at a private clinic in the capital, Bamako, was confirmed as an Ebola victim.

One of the nurse's patients was not tested for Ebola but is now listed as a "probable" case. The 70-year-old grand imam, from the village of Kouremale on the Guinea/Mali border, fell ill in mid-October with an undiagnosed condition. He sought treatment at the Pasteur Clinic in Bamako on October 25 and died two days later.

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After the imam passed away, his body was brought to a mosque in Bamako for a ritual washing ceremony. Ebola victims are at their most contagious just before and just after they die. The corpse was then transported back to the imam's home village and given a formal funeral, again with no precautions for Ebola.

Since then, one of his two wives and a daughter have both succumbed to unexplained illnesses, according to the World Health Organization. In addition, the imam's brother, a second wife and a son are all being treated in an Ebola ward in Gueckedou, Guinea. The son has tested positive for the virus.

Health officials in Mali, a landlocked nation with a population of about 15 million, are concerned that the nurse and the imam may have spread the virus to many more individuals in their final days. A doctor at the clinic where the nurse worked is now listed as a suspected case and has been quarantined.

In addition, the U.N. is monitoring a group of peacekeepers who had been brought to the clinic due to injuries.

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