Mnuchin's comments came as he urged Republican senators to act on economic stimulus measures totaling $1 trillion.
He believes the Federal Reserve’s efforts to stimulate financial markets may not be enough to blunt the financial impact of the coronavirus outbreak.
Airlines are running out of cash, with 75 percent of them not having enough to cover more than three months of fixed costs.
Fed should request Congress to allow the Fed to buy corporate bonds like the ECB did.