Nigeria, April 1 -- When Musa fell ill in Bauchi State earlier this year, his symptoms seemed routine-fever, headache, and stomach pain.

In a statement shared with journalists, Doctors Without Borders, MSF, said he was treated for malaria at a private clinic and discharged after five days.

But his condition worsened.

"They could not understand what I was suffering from," he said.

Days later, a community outreach team referred him to the Lassa Fever Treatment Centre at the Abubakar Tafawa Balewa University Teaching Hospital, where he was diagnosed with Lassa fever-by then in a severe condition.

"I thought I would not survive," he added.

Mr Musa spent 29 days in treatment before recovering.

His experience highlights a persistent gap ...