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Known as Mwalimu, Swahili for teacher, he was a committed pan-Africanist and hosted independence fighters opposed to white minority rule in southern Africa.

Tanzania's health minister, Ummy Mwalimu, said the disease had been contained and she was confident it would not spread further.

Three people are being treated in hospital and authorities are tracing 161 contacts, Ms Mwalimu added.

Health Minister Ummy Mwalimu said the cases were identified in the western region of Kagera and the government had managed to control its spread to other regions.

He styled his governance after Tanzania's first president, Mwalimu Julius Nyerere, who was always fiercely independent.