mRNA-4157,Pembrolizumab
Moderna,Merck
['merck', 'moderna']
merck is having a heck of a day -- they also dropped data on their cancer vaccine w/ moderna showing that the phase 2 results from earlier this year have held up. they're going to move it into phase 3 (and not go right to fda), reports: 
Executive Editor, Endpoints News (@endpts). 

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