Biden’s chief sci­ence of­fi­cer for Covid-19 steps down amid dearth of top lead­er­ship

David Kessler, the Biden ad­min­is­tra­tion’s chief sci­ence of­fi­cer for Covid-19, will step down this week amid ques­tion marks about what the next it­er­a­tion of the Covid vac­cine (from boost­er to price) will look like mov­ing for­ward, and short­ly af­ter the ad­min’s oth­er long-time chief med­ical ad­vi­sor, Tony Fau­ci, stepped down.

But­tressed by his FDA com­mis­sion­er ex­pe­ri­ence from 1990-1997, Kessler stood atop the rein­car­nat­ed ver­sion of Op­er­a­tion Warp Speed, help­ing to bring the bi­va­lent boost­er to mil­lions, as well as mil­lions of new dos­es of oral an­tivi­rals.

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