Several outbreaks of COVID-19 caused by imported cases have occurred in China following the successful control of the outbreak in early 2020. In order to avoid recurrences of such local outbreaks. it is important to devise an efficient control and prevention strategy. In this paper. https://www.spidertattooz.com/4ft-LED-Strip-Light-Fixture-with-Motion-Sensor-30-45-Watts-5500-Lumens-35K-40K-50K-120-277V/