case_images: PMC6507261_01
case_images: Violet-pigmented colonies on blood agar and MacConkey agar plates, typical of C. violaceum.
case_images: CRIID2019-6219295.001.jpg
case_images: PMC6507261_01_CRIID2019-6219295.001.jpg
case_images: fig1
case_images: HME filter. However, small colonies with dark violet metallic pigmentation were observed on both blood agar and MacConkey agar plates (Figure 1) from the swab of the patient end of the HME filter.