Clark, Kevin C.
Bailey, Maximilian J.
Wasshuber, Stefan
Huntley, Raissa
Bjorkman, Kristen K.
Bauer, Leisha Conners
Paige, Camille L.
Sawyer, Sara L.
Czarnik, Michaila
Riggs, Margaret A.
Gutilla, Margaret J.
Alderete, Tanya L.
Article History
Received: 8 September 2022
Accepted: 3 February 2023
First Online: 9 February 2023
Declarations
:
: The mask observation protocol was determined to be IRB exempt at both Colorado universities. The University of Colorado Institutional Review Board approved the use of study surveys and COVID testing data (#20–0417) and adult participants (including students 17 years of age or older) provided written informed consent for participation. All the methods and protocols were performed in accordance with the relevant guidelines and regulations. All study activities, analysis, and results were reviewed by CDC and were conducted consistent with applicable local and federal laws and CDC policies (45 C.F.R. part 46; 21 C.F.R. part 56; 42 U.S.C. Section 241(d); 5 U.S.C. Sect. 552a; 44 U.S.C. Section 3501 et seq.).
: Not applicable.
: CLP and SLS are co-founders, equity holders, and/or employees of Darwin Biosciences in Boulder, CO. The remaining authors have no conflicts of interest.