Ghana confirms first cases of deadly Marburg virus

"This is good because without immediate and decisive action, Marburg can easily get out of hand," said Dr Matshidiso Moeti, the WHO's Africa director.

"There's a whole multi-disciplinary team in the field trying to ensure that we are able to unearth the real source of this," Dr Patrick Kumah-Aboagye, the head of Ghana's health service told BBC Focus on Africa radio.