China confirms sharp rise in cases of SARS-like virus across the country As of 22 January , the number of laboratory-confirmed cases stands at 550 , including 541 in mainland China , 4 in Thailand , one in Japan , one in South Korea , one in Taiwan , one in Macau , one in Hong Kong and one in the United States.广东确诊1例新型冠状病毒感染的肺炎病例
As of 22 January , there have been more than 500 laboratory-confirmed coronavirus cases in China .