Gilead Sciences has committed to donating the initial supply of the experimental antiviral drug. But executives said the company will need to make expanded production of the treatment sustainable.

Critics say the government deserves more credit for tens of millions in public money spent to develop the coronavirus treatment.

Multinational corporations are devising new strategies to keep their taxes low, saving billions of dollars by navigating around attempts by the U.S. and European countries to tighten the tax net.