Table 2

Summary of articles describing transmissibility of Escherichia coli ST131 and Klebsiella pneumoniae ST258

Author (year)	Country	Year	Setting	Organism	Resistance mechanism	Index cases (n)	Secondary cases (n)	Uncolonised	Exposure time
Veenemans (2014)13	The Netherlands	2013	Nursing homes	E. coli ST131	ESBL	5 and 3
Kojima (2014)14	Japan	2009–2010	Household	E. coli ST131	ESBL	1	2
Blanc (2014)15	France	2012	Day care centers	E. coli ST131	ESBL	7
Giuffrè (2013)16	Italy	2012	Neonatal intensive care unit	E. coli ST131	ESBL	15		88
Adler (2012)17	Israel	2008–2009	Geriatric rehabilitation wards	E. coli ST131	ESBL	21	23	367
				E. coli non-ST131	ESBL	31	36	367
Hilty (2012)18	Switzerland	2008–2010	University hospital	E. coli ST131	ESBL	13	2	36	48 index inpatients for a total of 400 000 patient-days
				E. coli non-ST131	ESBL	27	2	48	48 index inpatients for a total of 400 000 patient-days
			Household	E. coli ST131	ESBL	15	7	19
				E. coli non-ST131	ESBL	42	13	49
Owens (2011)19	USA	Before 2011	Household	E. coli ST131	ESBL	2
Johnson (2010)20	USA	Before 2010	Household	E. coli ST131	Fluoro-quinolone resistance	1	1	1
Ender (2009)21	USA	Before 2009	Hospital	E. coli ST131	ESBL	1	1
Marquez (2014)22	Uruguay	2011	Intensive care unit	K. pneumoniae ST258	KPC	1	1	3
Garza-Ramos (2014)23	Mexico	2012–2013	2 Hospitals	K. pneumoniae ST258	KPC	15 and 3
Gaibani (2014)24	Italy	2010	Hospital	K. pneumoniae ST258	KPC	11
Giuffrè (2013)25	Italy	2012	Neonatal intensive care unit	K. pneumoniae ST258	KPC	10		44
Tofteland (2013)26	Norway	2010	Intensive care unit	K. pneumoniae ST258	KPC	6
Morris (2012)27	Ireland	2011	2 Hospitals	K. pneumoniae ST258	KPC	11
Agodi (2011)28	Italy	2009	Hospital	K. pneumoniae ST258	KPC	16
Won (2011)29	USA	2008	Acute care hospitals and long-term acute care hospitals	K. pneumoniae ST258	KPC	33 (+7 presumed cases)
Marchese (2010)30	Italy	2009	Neuro-rehabilitation unit	K. pneumoniae ST258	KPC	4 (+3 at time of publication)
Mammina (2010)31	Italy	2009	Intensive care unit	K. pneumoniae ST258	KPC	13