Vaccines: Which is riskier, the shot or the disease? (CBC Marketplace)

vendredi 28 novembre 2014


















Watch the full episode Shot of Confusion at http://ift.tt/15Jdmru Shannon MacDonald, PhD, RN, talks with CBC Marketplace co-host Erica...


From: CBC News

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Vaccines: Which is riskier, the shot or the disease? (CBC Marketplace)

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