Table 1. Cases of Salmonella enterica subsp. enterica serovar Chester infection around the prefectural border between Ibaraki and Chiba in Japan (n=8 cases).

Case no.	Date of admission	Age (years)	Sex	Address	Diagnosis	Underlying disease	Suspected source of infection
1	2-Oct-16	2	F	Ibaraki	Bacteremia, enteritis	—	Unknown
2	6-Oct-16	1	F	Ibaraki	Enteritis	—	Unknown
3	7-Oct-16	2	M	Chiba	Enteritis, UTI	Asthma	Unknown
4	3-Nov-16	4	M	Chiba	Bacteremia, enteritis	—	Unknown
5	11-Nov-16	0	F	Chiba	Enteritis	MD twin, LBW	A pet dog
6	14-Nov-16	0	F	Chiba	Enteritis	MD twin, LBW	A pet dog
7	16-Nov-16	65	F	Ibaraki	Bacteremia, UTI	Intellectual disability, cholangitis	Unknown
8	17-Nov-16	7	M	Chiba	Enteritis	—	Unknown

F, female; M, male; UTI, urinary tract infection; MD, monochorionic diamniotic; LBW, low birth weight.