就在此前一天的12月31日，武汉市卫健委发布通告称，根据调查，目前已发现27例病例，其中7例病情严重，其余病例病情稳定可控，有2例病情好转拟于近期出院。目前，所有病例均已隔离治疗，密切接触者的追踪调查和医学观察正在进行中，对华南海鲜城的卫生学调查和环境卫生处置正在进行中。

　　The 27 pneumonia cases in Wuhan, capital of central China's Hubei Province have been identified as viral pneumonia, health authorities said Tuesday. The Wuhan Municipal Health Commission said the patients, including seven in serious condition, reported symptoms including fever and difficulty breathing. Two patients have seen improvement in their condition and will be discharged soon, the commission said in a statement. All the patients have been put in quarantined treatment. Authorities are investigating the market's hygiene conditions.

　　通告还显示，到目前为止调查未发现明显人传人现象，未发现医务人员感染。目前对病原的检测及感染原因的调查正在进行中。

　　The tests on the exact pathogens and the search for the cause of the infections are still underway, the statement said.The commission said all cases were found to be related to a seafood market, and there were no clear signs of human-to-human transmission. No medical staff has reported infections, the commission said.