- Merck to buy Prometheus Biosciences for $10.8 billionMarketWatch
- Merck Offers to Buy Prometheus for $10.8 BillionBloomberg Television
- Merck to buy Prometheus Biosciences for about $11 billionCNBC
- Merck to acquire Prometheus Biosciences for $10.8BFox Business
- Merck to Acquire Prometheus Biosciences – WSJThe Wall Street Journal