Once the incubation and infectious periods are better understood, the 72 hour period may change. Employees should continue to watch for flu-like symptoms even after they return to work.

• 一旦对潜伏期和感染期已经有了很清楚的了解，72小时的要求可能改变。员工即使已经返回工作岗位，也要持续监督流感可能症状。