Sierra Leone

Status: affected by circulating vaccine-derived poliovirus type 2 (cVDPV2)

Polio this week in Sierra Leone

  • No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. There are five cases in 2021 while the number of 2020 cases remains at 10.
  • Read our Sierra Leone page for more information.

International Health Regulations

Burkina Faso is classified by the International Health Regulations (IHR) as a state infected with cVDPV2, with potential risk of international spread.  It is therefore subject to Temporary Recommendations issued by the International Health Regulations Emergency Committee on Polio Eradication (issued as of November 2021).