In all seriousness, Singapore has its act together. Their experience with SARs literally had them write the textbook on how to respond.
Singapore has the best contact tracking system in the world. They take no prisoners and their culture is intelligent and compliant.
It would be impossible to do that kind of contact tracking and isolation in the US.
Many virologists have said that Singapore is the gold standard and exemplar. If it breaks out there, its really bad news.
//seriousness off
Plus if you break quarantineyou get caned.