U.S. Cases Up 0.7%; Fires Crimp California Testing: Virus Update
Shoppers wearing protective face masks browse food stalls at the Edgar Quinet market in Paris, France. (Photographer: Cyril Marcilhacy/Bloomberg)

U.S. Cases Up 0.7%; Fires Crimp California Testing: Virus Update

(Bloomberg) -- Drugmakers seeking an emergency authorization for a Covid-19 vaccine will have to meet a higher standard of efficacy than normally would be required for such a clearance, the U.S. Fo...
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