Covid-19 roundup: As­traZeneca touts boost­er as ef­fec­tive against Omi­cron; Africa CDC re­port­ed­ly in talks to buy Paxlovid

Though it still hasn’t re­ceived FDA au­tho­riza­tion for its Covid-19 vac­cine, As­traZeneca is chart­ing a course for boost­er shots.

On Thurs­day, the British-Swedish phar­ma com­pa­ny …

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