More than 15 months after the start of the coronavirus pandemic, the U.S. military’s top officer says the evidence of its origin remains “inconclusive” but says a “cover-up,” by the Chinese government isn’t helping find the answer.

More than 15 months after the start of the coronavirus pandemic, the U.S. military’s top officer says the evidence of its origin remains “inconclusive” but says a “cover-up,” by the Chinese government isn’t helping find the answer.