TOKYO—Japan reported a tripling of cases of novel coronavirus among people on a quarantined cruise liner, as the largest known cluster of infection outside China provides clues to how easily the virus spreads in confined conditions. The health ministry said Friday that 41 people with the virus would be taken from the ship to hospitals, adding to the 20 removed for treatment earlier this week.

Source: Wall Street Journal February 07, 2020 03:25 UTC