Preventing Respiratory Viral Illness Invisibly (PRiVII): protocol for a pragmatic cluster randomized trial evaluating far-UVC light devices in long-term care facilities to reduce infections. - Nix, Hayden P.; Meeker, Samantha; King, Caroline E.; Andrew, Melissa; Davis, Ian R. C.; Koto, Prosper S.; Sim, Meaghan; Murdoch, Jennifer; Patriquin, Glenn; Theriault, Chris; Reidy, Stephanie; Rockwood, Michael; et al. (Trials, 2024)