colony Candida auris 0623 swab Candida auris 0623 SARS-CoV-2 for swabs with liquid transport medium 1220 SARS-CoV-2 for dry swabs 1220 CSF 0520 stool 0323 stool swabs 0520 colony 0122 colony for C. difficile 1120 swabs 0122 blood culture 0820 urine 0520 MRSA swabs 0520 liquid BAL 0821 viscous BAL, BS and TS 0821