Doesn't make sense to me to halt ocean shipping since the virus is estimated to last 3 days on surfaces and cargo ship transit time is on the order of 2 weeks.
Official announcement
NBA to suspend season following tonight's games - NBA.com: NBA Communications
NBA suspends their season (player on Jazz tested for virus).
Already, NCAA Tournament teams will play games in empty arenas.
Official announcement
NBA to suspend season following tonight's games - NBA.com: NBA Communications