BRIEF-Sanofi CEO comments Q2 results on conference call

July 31 (Reuters) - Sanofi SA Chief Executive Chris Viehbacher tells reporters: * Expects vaccines business to return to double-digit growth in H2 * "Could imagine" U.S. launch of cholesterol drug alirocumab in H2 2015,

from Reuters: Company News http://ift.tt/1pHynFN

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