Fig. 2From: Impact of respirator versus surgical masks on SARS-CoV-2 acquisition in healthcare workers: a prospective multicentre cohortForest plots showing results of the multivariable Cox regression analysis with outcome “SARS-CoV-2-positive nasopharyngeal PCR/rapid antigen test” (participants n = 3259, positive swabs n = 433) (AGP aerosol-generating procedure, FFP2 filtering facepiece class 2)Back to article page