"Carolyn Sein, Technical Officer for the Global Polio Eradication Initiative (GPEI) programme, talks to the GPEI about circulating vaccine-derived polioviruses, and the important differences between oral polio vaccine, and inactivated polio vaccine.
Coffee with Polio Experts: Carolyn Sein, WHO (Video)
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Post-Polio Care: Q&A with William M. DeMayo, MD and Daniel J. Wilson, PhD(Video)
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