claim: bulletinniaid stops enrollment of severely ill covid-19 participants in clinical trial of investigational treatments
evidence_1: ]: dot [@]: at [mhra]: medicines and healthcare products regulatory agency [jcvi]: joint committee for vaccination and immunisation [pmc]: penske media corporation [ covid-19]: coronavirus disease 2019 [covid-19]: coronavirus disease 2019 [v]: view this template [t]: telephone [e]: email []: you need to accept this checkbox.