Mapping COVID-19’s Early Spread In Wuhan, China

The distribution of COVID-19 cases in Wuhan in December 2019 shows an increase around the Huanan Seafood Wholesale Market (west of the Yangtze River, indicated with a white triangle in the maps) but not near the Wuhan Institute of Virology (more than 10 miles from the market, indicated with a black square in the maps).