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Impfstoffhersteller mit Bezug zum Coronavirus sind aktuell gefragt. Das merkt man nicht nur an der hohen Börsenkapitalisierung, die Unternehmen wie Moderna oder BioNTech erreicht haben. Sie zählen mittlerweile zu den größten Biotechnologieunternehmen der Welt. Für die vor der Corona-Krise relati...
You prevent outbreaks of covid is the at schools? a new study has insights. this study looked at covid-19 rates in more than a hundred public schools in georgia. they found, when they required masks for teachers and staff, the covid-19 rates were. % lower than when they didn't. when they looked at schools that required masks for students, they couldn't find a difference. there was no statistically difference when they required masks for students. it may be that children don't get that covid that often or don't transmit it very efficiently. or maybe because the children, were told to wear a mas...