Hong Kong reported three more confirmed coronavirus infections as of Friday, bringing the total number of cases in the city to 56.The Centre for Health Protection said one of the three cases involved a man in critical condition after suffering shortness of breath for more than 10 days. He had to be intubated in Princess Margaret Hospital. He lives in Shek Lei Estate in Kwai Chung, and passed through the Lok Ma Chau border crossing on January 22.Another person who tested positive for the virus,…