Chris Witkowsky
The virus outbreak, which has hammered the broader economy for several weeks as business activity slows, is causing sellers to delay bringing secondary deals to market.
The vehicle's largest company is in limbo until the first quarter, when the FCC will set new reimbursement rates that will allow potential buyers to price it.
PNC has become the majority owner of the firm, with a 75% stake in a deal that closed in July.
The total deal is valued at just under $800m and the voting period ends this week.