June 15, 2021 11:32 AM EDT

Covid-19 roundup: Real world data suggest AstraZeneca vaccine effective against Delta, Alpha variants; Novavax hails positive study on coronavirus, flu shots combo

AstraZeneca’s Covid-19 vaccine, which has been authorized for use in the EU and Japan among many countries but not yet the US, has proved effective …

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Covid-19 roundup: Re­al world da­ta sug­gest As­traZeneca vac­cine ef­fec­tive against Delta, Al­pha vari­ants; No­vavax hails pos­i­tive study on coro­n­avirus, flu shots com­bo