1. Centers for Disease Control and Prevention: Interim Pre-Pandemic Planning Guidance: Community Strategy for Pandemic Influenza Mitigation in the United States—Early, Targeted, Layered Use of Nonpharmaceutical Interventions;Centers for Disease Control and Prevention,2007
2. European Centre for Disease Prevention and Control,2020
3. The Coronavirus Epidemic Curve is Already Flattening in New York City;Harris,2020
4. Community mitigation guidelines to prevent pandemic influenza—United States, 2017;Qualls;MMWR Recomm. Rep.,2017
5. The Mercury News,2020