Poor infection prevention and control standards are associated with environmental contamination with carbapenemase-producing Enterobacterales and other multidrug-resistant bacteria in Swiss companion animal clinics

Table 6 Colonization with multidrug-resistant organisms of employees of Clinics A–C and Practice G

Institution	Total no. of sampled employees (nasal swabs / fecal samples)	No. of sampled			No. (%)^a of employees positive for						Total no. (%)^b of positive employees
Institution		Veterinarians	Nurses	Others/unknown^c	MRSA	MRSP	MRCoNS	ESBL-PE	CPE	CRE
Clinic A	38 (37/37)	19	12	7	4 (11)	0 (0)	2 (5)	3 (8)	1 (3)	3 (8)	12 (32)^d
Clinic B	46 (38/46)	22	13	11	2 (5)	1 (3)	3 (8)	3 (7)	1 (2)	3 (7)	13 (28)
Clinic C	21 (20/21)	14	6	1	1 (5)	0 (0)	0 (0)	0 (0)	0 (0)	1 (5)	2 (10)
Practice G	4 (4/4)	1	3	0	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
Total	109 (99/108)	56	34	19	7 (7)	1 (1)	5 (5)	6 (6)	2 (2)	7 (7)	27 (25)^d

^a Percentage related to total number of nasal swabs or fecal samples available from the according institution. ^b Percentage related to number of sampled employees. ^c Profession not known for 5 participating employees. ^dOne employee tested positive for both an ESBL-producing and colistin-resistant Enterobacterales
Abbreviations: MRSA methicillin-resistant Staphylococcus aureus, MRSP methicillin-resistant Staphylococcus pseudintermedius, MRCoNS methicillin-resistant coagulase-negative staphylococci, ESBL-PE extended-spectrum β-lactamase-producing Enterobacterales, CPE carbapenemase-producing Enterobacterales, CRE colistin-resistant Enterobacterales

ISSN: 2047-2994