Nov 5 (Reuters) - Pfizer PFE.N is preparing to sweeten its offer again for Metsera MTSR.O, the Wall Street Journal reported on Wednesday, citing people familiar with the matter.
(Reporting by Kamal Choudhury in Bengaluru; Editing by Sriraj Kalluvila)
((Kamal.Choudhury@thomsonreuters.com;))