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Volume 8, Number 1—January 2002

Research

Prevalence and Genetic Profiling of Virulence Determinants of Non-O157 Shiga Toxin-Producing Escherichia coli Isolated from Cattle, Beef, and Humans, Calcutta, India

Asis Khan*, Shinji Yamasaki*†, Toshio Sato†, Thandavarayan Ramamurthy*, Amit Pal*, Simanti Datta*, Nandini Roy Chowdhury*, Suresh Chandra Das‡, Asim Sikdar‡, Teizo Tsukamoto§, Sujit Kumar Bhattacharya*, Yoshifumi Takeda¶, and Gopinath Balakrish Nair*#Comments to Author 
Author affiliations: *National Institute of Cholera and Enteric Diseases, Calcutta, India; †Research Institute, International Medical Center of Japan, Shinjuku-ku, Tokyo, Japan; ‡Indian Veterinary Research Institute, Belgachia, Calcutta, India; §Osaka Prefectural Public Health Institute, Osaka, Japan; ¶National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan; #International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh

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Table 4

Clinical manifestation and other information on patients from whom Shiga toxin-producing Escherichia coli was isolated

STEC strain number Clinical manifestation
Stool characteristics Age (years) Sex Religion Vomiting Fever Dehydration Other pathogen(s) present in the stool samples
AK-11a
AK-26a Watery 32 M H Negative Negative Severe Vibrio parahaemolyticus
None Watery 28 F MU Positive Positive No None
None Watery 17 F H Positive Positive Moderate None
AK-18 Watery 30 M H Positive Positive Severe V. cholerae O139
AK-27a
AK-28a
AK-29a Watery 50 M O Positive Positive Severe V. cholerae O1
AK-31 Watery 2 M H Positive Negative Severe None
AK-32 Watery 40 F O Negative Negative Moderate V . cholerae non-O1 non-O139
AK-33 Watery 27 M MU Positive Positive No None
AK-14 Bloody M MU Negative Positive No V. parahaemolyticus, Shigella spp.
AK-30 Bloody 2 F MU Negative Positive No None
AK-40 Bloody F MU Negative Positive Moderate Shigella spp.

aStrains isolated from one stool specimen but belonging to different serotypes.
H, Hindu; MU, Muslim; O, Other religion; M, male; F, female.

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