Lao People’s Democratic Republic

Status: has stopped indigenous wild poliovirus (WPV) circulation but affected by outbreak of imported WPV or circulating vaccine-derived poliovirus

A recent outbreak assessment found that circulation of vaccine-derived poliovirus has apparently ceased; the Emergency Committee under the International Health Regulations will validate this finding at its April 2017 meeting.

International Health Regulations

Lao People’s Democratic is classified by the International Health Regulations (IHR) as a state infected with wild poliovirus or circulating vaccine-derived poliovirus but not currently exporting and 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.