Covid-19 roundup: Am­gen toss­es Ote­zla in­to an­ti-in­flam­ma­to­ry mix; Trump thick­ens plot around US probe in­to virus ori­gin

Fol­low­ing in the foot­steps of oth­er large drug­mak­ers who have re­pur­posed their en­trenched ther­a­pies against Covid-19, Am­gen has re­leased an­oth­er weapon in its ar­se­nal that …

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