This is a great 5 minute clip about Polio. It helps to get a ‘science’ perspective on the topic, and this clip is worth the 5 minutes. Thank you Carol Fellows for sending this to us!
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This is a great 5 minute clip about Polio. It helps to get a ‘science’ perspective on the topic, and this clip is worth the 5 minutes. Thank you Carol Fellows for sending this to us!