BioNTech warns against delaying second COVID-19 vaccine dose
German firm BioNTech warned Tuesday there is no data backing the “safety and efficacy” of delaying the second shot of its COVID-19 vaccine beyond three weeks, as some countries push ...
German firm BioNTech warned Tuesday there is no data backing the “safety and efficacy” of delaying the second shot of its COVID-19 vaccine beyond three weeks, as some countries push ...