Shots: Merck has signed a definitive agreement to acquire Cidara Therapeutics through a subsidiary, adding the company’s lead late-stage antiviral candidate CD388 to its pipeline Merck will acquire Cidara at $221.50 per share in cash, valuing the deal at approximately $9.2B. The transaction is expected to close in Q1’26 Cidara’s CD388 (currently in P-III) is…