The World Health Organization (WHO) has reported four cases of Lassa fever in Benin, supposedly imported from Nigeria's Oyo State, while an unspecified number of cases have also been reported in Liberia and Sierra Leone.
An isolation unit has been set up in Bria hospital, where the three patients are being treated.
In 2017, Nigeria had 143 confirmed Lassa fever cases, and so far this year Nigeria has recorded more than a thousand suspected cases and 365 confirmed.
A State Disease Control team has been activated.
Nineteen states have recorded at least one confirmed Lassa fever case across 55 local government areas.
The South Sudan Ministry of Health and Ministry of Livestock and Fisheries have declared a Rift Valley fever outbreak in Yirol East, Yirol West, and Awerial Counties of Eastern Lakes state.
Nigeria’s health care system is overwhelmed with only one dedicated Lassa fever ward in the country, and poorly trained health care workers becoming infected themselves.
The National Public Health Institute of Liberia (NPHIL) has confirmed three Lassa fever cases from two counties: Montserrado and Nimba.
The Nigerian Emergency Operations Center is working at maximum capacity to establish more laboratory facilities for diagnosing cases.
Lassa fever has killed 110 people this year in an outbreak that has hit half of Nigeria’s states.