(AP Photo/Vincent Yu) The Associated PressBEIJING -- The Latest on a virus outbreak that began in China (all times local):11:45 p.m. Much about how the virus spreads is unknown, but the outbreak could worsen significantly if the virus can be spread easily. Chuang said the three other cruises involved more than 5,000 passengers who had returned to Hong Kong. Cheung said 206 were Hong Kong residents on the same trip as the eight mainland Chinese who were infected. Hong Kong is struggling to curb the spread of the virus after reporting 21 cases, including local transmission.

Source: ABC News February 06, 2020 12:48 UTC