This photo taken taken Monday Nov.30, 2020 shows the logo of French drug maker Sanofi at the company's headquarters, in Paris. Drugmakers GlaxoSmithKline and Sanofi say their potential COVID-19 vaccine won't be ready until late next year as they seek to improve the shot's effectiveness in older people. The companies said Friday that early-stage trials showed the vaccine produced an "insufficient" immune response in older adults, demonstrating the need to refine the product so it protects people of all ages (AP Photo/Thibault Camus)
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