Pneumonia cases possibly associated with a novel coronavirus in Wuhan, China

Executive summary

Between 31 December 2019 and 5 January 2020, 59 pneumonia cases possibly associated with a novel coronavirus have been reported in Wuhan, China with a common exposure link to Wuhan’s South China Seafood City market.

The cases showed symptoms such as fever, dyspnoea, and radiological tests compatible with bilateral lung infiltrative lesions. Seven severe cases have been reported, but no deaths. No cases have been reported outside of Wuhan. According to Chinese authorities, no human to human transmission could be documented.