Late surges in COVID-19 cases and varying transmission potential partially due to public health policy changes in 5 Western states, March 10, 2020-January 10, 2021.
Xinyi HuaAubrey R D KehoeJoana TomeMina MotaghiSylvia K OforiPo-Ying LaiSheikh Taslim AliGerardo ChowellAnne C SpauldingIsaac Chun-Hai FungPublished in: Disaster medicine and public health preparedness (2022)
decreased after mask mandate during the region's case-count spike suggested reduction in SARS-CoV-2 transmission.