Observed Face Mask Use at Six Universities — United States, September–November 2020

por Barrios, Lisa C., Riggs, Margaret A., Green, Ridgely Fisk, Czarnik, Michaila, Nett, Randall J., Staples, J. Erin, Welton, Michael David, Muilenburg, Jessica Legge, Zullig, Keith J., Gibson-Young, Linda, Perkins, Andrea V., Prins, Cindy, Lauzardo, Michael, Shapiro, Jerne, Asimellis, George, Kilgore-Bowling, Genesia, Ortiz-Jurado, Kenny, Gutilla, Margaret J.
Publicado 2021