(Reuters) Police were guarding an Ebola treatment center in Sierra Leone on Saturday, the day after thousands marched on the clinic following allegations by a former nurse the deadly virus was invented to conceal "cannibalistic rituals" there, a regional police chief said.
Across Guinea, Liberia and Sierra Leone, at least 660 people have died from the illness, according to the World Health Organisation, placing great strain on the health systems of some of Africa's poorest countries.
The virus is still spreading. A Liberian man who died in Nigeria's commercial capital, Lagos, tested positive for the virus on Friday, Nigeria's health minister said.
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