SARS-CoV-2 Cases Reported on International Arriving and Domestic Flights: United States, January 2020–December 2021. - Preston, Leigh Ellyn; Rey, Araceli; Dumas, Simone; Rodriguez, Andrea; Gertz, Alida M.; Delea, Kristin C.; Alvarado-Ramy, Francisco; Christensen, Deborah L.; Brown, Clive; Chen, Tai-Ho (American Journal of Public Health, 2023)