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Volume 18, Number 4—April 2012

Dispatch

Increase in Extraintestinal Infections Caused by Salmonella enterica Subspecies II–IV

Sharon L. AbbottComments to Author , Frank C.Y. Ni, and J. Michael Janda
Author affiliations: California Department of Public Health, Richmond, California, USA (S.L. Abbott, F.C.Y. Ni, J.M. Janda); Los Angeles County Public Health Laboratory, Downey, California, USA (J.M. Janda).

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Table 2

Distribution of infections caused by salmonellae other than subspecies I, by sex and age, among 1,342 patients, California, USA, 1985–2009

Subspecies No. (%) patients by sex
No. (%) patients by age group, y
M F <1 2–10 11–60 >61
II
Feces 25 (45) 29 (53) 31 (56) 11 (20) 7 (13) 0
Extraintestinal 1 (20) 4 (80) 1 (20) 0 4 (80) 0
IIIa
Feces 146 (63) 84 (36) 30 (13) 108 (47) 32 (14) 8 (3)
Extraintestinal 154 (66) 77 (33) 4 (2) 126 (54) 79 (34) 15 (6)
IIIb
Feces 160 (48) 161 (49) 48 (15) 155 (47) 44 (13) 18 (5)
Extraintestinal 35 (31) 77 (68) 9 (8) 56 (50) 36 (32) 6 (5)
IV
Feces 168 (50) 159 (48) 173 (52) 46 (14) 67 (20) 15 (5)
Extraintestinal 18 (41) 26 (59) 12 (27) 9 (21) 15 (34) 7 (16)
Total* 707 (53) 617 (46) 349 (26) 157 (12) 538 (40) 213 (16)
Feces 499 (53) 433 (46) 321 (34) 135 (14) 337 (35) 91 (10)
Extraintestinal 208 (53) 184 (46) 28 (7) 22 (6) 201 (51) 122 (31)

*Numbers do not total 1,342 because data were not available for some patients.

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