A new strain of coronavirus emerged sometime in November 2019, and within weeks a cluster of patients began to be admitted to hospitals in Wuhan with severe pneumonia, most of them linked to the Huanan Seafood Wholesale Market. China's seemingly effective containment of the first stage of the epidemic, in glaring contrast with the uncontrolled spread in Europe and the United States, was heralded as a testament to the Chinese Communist Party's unparalleled...