Sierra Leone

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

Polio this week in Sierra Leone

  • Three cases of circulating vaccine-derived poliovirus type 2 (cVDPV2) were reported in the Eastern province bringing the number of 2021 cases to four and the number of 2020 cases to 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 February 2021).