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Volume 8, Number 2—February 2002

Research

Comparative Antibiotic Resistance of Diarrheal Pathogens from Vietnam and Thailand, 1996-1999

Daniel W. Isenbarger*Comments to Author , Charles W. Hoge†, Apichai Srijan*, Chittima Pitarangsi*, Niyada Vithayasai‡, Ladaporn Bodhidatta*, Kimberly W. Hickey§, and Phung Dac Cam
Author affiliations: *Armed Forces Research Institute of Medical Science, Bangkok, Thailand; †Walter Reed Army Institute of Research, Silver Spring, Maryland, USA; ‡Queen Sirikit National Institute of Child Health, Bangkok, Thailand; §Tripler Army Medical Center, Honolulu, Hawaii, USA; ¶National Institute of Hygiene and Epidemiology, Hanoi, Vietnam

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Table 1

Antibiotic resistance patterns among selected enteric pathogens in Thailand and Vietnam, 1996-1999a

AM CM SXT NA CIP TE AZM
Pathogen Site N %R N %R N %R N %R N %R N %R N %R
ETEC Thailand 203 54 203 13 203 51 203 3 203 2 203 43 68 4
Vietnam 113 67 113 17 113 63 112 <1 113 <1 113 65 37 3
Salmonella (all) Thailand 696 28 696 26 696 37 696 21 696 <1 695 59 284 5
Vietnam 30 3 30 7 30 10 30 0 30 0 30 13 19 0
Group B Thailand 258 49 258 45 258 67 258 23 258 <1 258 77 82 1
Vietnam 6 0 6 0 6 0 6 0 6 0 6 0 3 0
Group C Thailand 192 5 192 13 192 12 192 33 192 0 191 62 101 12
Vietnam 1 0 1 0 1 0 1 0 1 0 1 0 1 0
Group D Thailand 68 31 68 31 68 38 68 18 68 0 68 46 28 4
Vietnam 7 0 7 14 7 14 7 0 7 0 7 1 4 0
Group E Thailand 133 24 133 11 133 16 133 4 133 0 133 18 52 5
Vietnam 14 0 14 0 14 7 14 0 14 0 14 7 10 0
Other Thailand 45 9 45 11 45 16 45 4 45 0 45 18 21 5
Vietnam 2 50 2 50 2 50 2 0 2 0 2 100 1 0
Shigella (all) Thailand 175 29 175 21 175 90 175 <1 175 0 175 91 68 2
Vietnam 305 77 305 64 305 78 305 <1 305 0 305 80 233 8
Group A Thailand 3 0 3 0 3 0 3 0 3 0 3 33 0 NA
Vietnam 6 50 6 17 6 50 6 0 6 0 6 50 6 0
Group B Thailand 56 82 56 61 56 86 56 0 56 0 56 96 18 0
Vietnam 216 84 216 74 216 83 216 <1 216 0 216 87 165 5
Group C Thailand 2 0 2 0 2 0 2 0 2 0 2 0 0 NA
Vietnam 28 54 28 46 28 68 28 0 28 0 28 75 22 0
Group D Thailand 114 4 114 3 114 97 114 <1 114 0 114 92 50 2
Vietnam 55 62 55 36 55 67 55 0 55 0 55 60 40 28
Campylobacter Thailand ND ND ND 608 73 531 77 ND 520 6
Vietnam ND ND ND 88 7 85 7 ND 62 0
C. jejuni Thailand ND ND ND 489 72 426 75 ND 415 2
Vietnam ND ND ND 71 1 69 1 ND 48 0
C. coli Thailand ND ND ND 108 75 94 80 ND 94 26
Vietnam ND ND ND 17 29 16 31 ND 14 0

aAM=ampicillin; CM=chloramphenicol; SXT=trimethoprim-sulfamethoxazole; NA=nalidixic acid; CIP=ciprofloxacin; TE=tetracycline; AZM=azithromycin; ND=not done; %R=percent resistant; NA=not applicable.

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