The death toll from Lassa fever in Nigeria since the beginning of January has risen to 41 as cases were confirmed in more regions, Nigeria's disease control agency said.

The Nigeria Centre for Disease Control (NCDC) on Tuesday said that from January 1 to January 26 a total of 258 confirmed cases, including five health workers, were reported across 19 states.

The latest figures marked an increase from 29 deaths and 195 confirmed cases given by the authorities for the period up to January 24.