An experimental Covid -19 vaccine developed by Sanofi and Britain's GlaxoSmithKline showed an insufficient immune response in clinical trial results, the French drugmaker said on Friday, a blow to efforts to fight the pandemic. The two companies said they planned to launch another study next year, hoping to come up with a more effective vaccine by the end of 2021.from World News Headlines, Latest International News, World Breaking News - Times of India https://ift.tt/343AqCa
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