Daszak said that scientists have found about 50 SARS-related coronaviruses in bats all across China and the SARS coronavirus had been found in people in the southwestern province of Yunnan who lived near caves where the virus had been found in bats -- although they showed no symptoms of respiratory illness during sampling.
[...]
Wu at the Chinese Center for Disease Control said the data was pointing toward the virus going from bats to another, unknown wild animal, and then to humans. She said no bats were sold or found at the seafood market and the outbreak was first reported in late December when most bat species in Wuhan are hibernating.