Tanzania's government said no-one in the country had tested positive for the Marburg virus after the World Health Organization (WHO) said at least eight people in the northwest were believed to have died from it.

Tanzania has pushed back against a report from the World Health Organization warning of a new Marburg virus outbreak in the country.

The World Health Organisation (WHO) has warned of a suspected new outbreak of the Ebola-like Marburg virus in north-west Tanzania, saying that at least eight people have already been killed by the disease.