Datavant and Ciox Health have agreed to merge in a deal valued at $7 billion, the health data companies said on Wednesday. The combined company, to be named Datavant, will allow a secure exchange of data among its network, which includes more than 2,000 U.S. hospitals and 15,000 clinics as well as data analytics companies and government agencies. The companies said the deal is supported by their group of investors led by investment firm New Mountain Capital, Labcorp (LH.N), Cigna Ventures and Roivant Sciences.