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Progress Toward Polio Eradication — Worldwide,January 2019–June 2021 |
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| Authors: | John Paul Bigouette Amanda L. Wilkinson Graham Tallis Cara C. Burns Steven G. F. Wassilak John F. Vertefeuille |
| Affiliation: | 1.Epidemic Intelligence Service, CDC; 2.Global Immunization Division, Center for Global Health, CDC; 3.Polio Eradication Department, World Health Organization, Geneva, Switzerland; 4.Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, CDC. |
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