BEIJING – The Latest on a virus outbreak that began in China (all times local):12:15 a.m. There are now 40 confirmed cases in the city-state. ___7 p.m.Hong Kong has quarantined 161 people who arrived from mainland China on Saturday as a new emergency measure to stem the spread of the virus begins. The international financial hub has shut many border checkpoints but refused to completely seal its border because it relies on mainland China for food and other goods. It instead imposed a 14-day quarantine starting Saturday on all people arriving from mainland China to dissuade cross-border travel.