Anatomy of a pandemic
Kevin Patterson writes: Wuhan, in the province of Hubei, China, is a transportation hub of 11 million built where the Yangtze and Huan Rivers meet. In December, patients began presenting, in steadily increasing numbers, with symptoms and clinical findings suggestive of viral pneumonia. (Pneumonia is an infection of the lungs; it may be caused by viruses, bacteria, or fungi.) Tests for known pathogens capable of causing such an illness came back negative. This raised the question of whether a novel…