Covid-19 roundup: As­traZeneca may not file its vac­cine in the US; Iver­mectin fails to re­duce hos­pi­tal­iza­tions in large tri­al

As­traZeneca’s top re­searcher Mene Pan­ga­los sig­naled that the com­pa­ny may cut away from sub­mit­ting its Covid-19 vac­cine to the US FDA for ap­proval, cit­ing months …

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