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Polio Cases Confirmed in African Countries

May 30, 2021 • 6:23 am CDT
(Vax Before Travel)

The Global Polio Eradication Initiative (GPEI) reported six countries in Africa confirmed polio cases for the week ending May 26, 2021. All of these polio cases involved vaccine-derived types.

Poliomyelitis (polio) is a highly infectious viral disease that primarily affects children. There are 3 strains of wild poliovirus.

The GPEI summary is as follows:

  • Pakistan: one cVDPV2 positive environmental sample
  • Burkina Faso: one cVDPV2 case
  • Congo: one cVDPV2 case
  • DR Congo: five cVDPV2 cases
  • Guinea: one cVDPV2 case
  • Liberia: two cVDPV2 positive environmental samples
  • Madagascar: three cVDPV1 cases and one cVDPV1 positive environmental sample
  • Mali: one cVDPV2 case
  • Tajikistan: two cVDPV2 positive environmental samples

To inform international travelers of their health risks, the U.S. CDC issued a Level 2 Travel Alert on May 13, 2021, saying, 'Some international destinations are considered high risk for polio.

Before travel to any high-risk destination, CDC recommends that adults who previously completed the full, routine polio vaccine series receive a single, lifetime booster dose of polio vaccine.'

Since 2000, the inactivated polio vaccine is most often given in the USA. The CDC recommends that children in the USA get polio vaccinated to protect against poliomyelitis.

The CDC's Advisory Committee on Immunization Practices Vaccine Recommendations is published on this webpage.