Niger

Status: no longer poliovirus-infected, but at high risk of outbreaks

Central Africa remains at particular risk of poliovirus. Detection of wild poliovirus type 1 (WPV1) in 2016 in north-eastern Nigeria means the entire region is currently at risk.  Niger, along with other countries of the Lake Chad sub-region, declared this outbreak to be a regional public health emergency and is implementing a regional outbreak response, coordinated with neighbouring countries.

International Health Regulations

Niger is classified by the International Health Regulations (IHR) as a state no longer infected by wild poliovirus or circulating vaccine-derived poliovirus, but which remains vulnerable to international spread and the emergence and circulation of vaccine-derived poliovirus. Hence it is subject to temporary recommendations as of February 2017.

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Key at-risk: no longer poliovirus-infected, but at high risk of outbreaks
Outbreak: has stopped indigenous WPV circulation but affected by outbreak of imported WPV or circulating vaccine-derived poliovirus
Endemic: has never stopped indigenous wild poliovirus (WPV) circulation

Travel advice

WHO’s International Travel and Health recommends that all travellers to polio-affected areas be fully vaccinated against polio. Residents (and visitors for more than 4 weeks) from infected areas should receive an additional dose of OPV or inactivated polio vaccine (IPV) within 4 weeks to 12 months of travel.