'We were wrong': After ushering Merck KGaA into PD-(L)1 frenzy, oncology chief jumps on mission to 'turbocharge' T cells

Zhen Su’s love for T cells — which he compares to his high school sweetheart — began long before he took over the oncology development group at …

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'We were wrong': Af­ter ush­er­ing Mer­ck KGaA in­to PD-(L)1 fren­zy, on­col­o­gy chief jumps on mis­sion to 'tur­bocharge' T cells