Merck to Acquire Cidara Therapeutics for $9.2 Billion on December 09, 2025 acquisition Antiviral Agents Breakthrough Therapy Designation CD388 Cidara Therapeutics Immunostimulating conjugate (antigen) influenza prevention Merck +
Merck Again Brings Out Big Bucks, Buys Cidara in $9.2B Antiviral Push on November 14, 2025 acquisition Antiviral Agents Breakthrough Therapy CD388 Cidara Therapeutics Influenza J&J Merck Phase 3 sanofi United States Food and Drug Administration +