Covid-19 roundup: Op­er­a­tion Warp Speed's 7th vac­cine is live at­ten­u­at­ed; Small biotech touts big suc­cess where gi­ants have failed

Op­er­a­tion Warp Speed is stack­ing its vac­cine port­fo­lio with a “TBD” new can­di­date: a live at­ten­u­at­ed vac­cine that can be ad­min­is­tered in a sin­gle dose, po­ten­tial­ly as an oral for­mu­la­tion rather than an in­jec­tion.

Sound fa­mil­iar?

That could be be­cause the unan­nounced can­di­date ap­pears to match the pro­file of an in­oc­u­la­tion be­ing de­vel­oped by Mer­ck, ac­cord­ing to Bloomberg, which first re­port­ed the de­vel­op­ment based on a pre­sen­ta­tion by Mon­cef Slaoui.

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