French pharma giant Sanofi struggling in race for Covid vaccine

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On December 11th 2020, French pharmaceutical group Sanofi and British pharma firm GSK (GlaxoSmithKline) announced that their joint development of a vaccine against Covid-19 was delayed after the first phase of clinical tests which began on September 3rd had shown “a low immune response” in the over-50 age group “likely due to an insufficient concentration of the antigen”.