Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 18, Number 9—September 2012

Aeromonas spp. Bacteremia in Pregnant Women, Thailand–Myanmar Border, 2011

Paul TurnerComments to Author , Charlotte Willemse, Kawalee Phakaudom, Thet Wai Zin, Francois Nosten, and Rose McGready
Author affiliations: Shoklo Malaria Research Unit, Mae Sot, Thailand (P. Turner, C. Willemse, K. Phakaudom, T.W. Zin, F. Nosten, R. McGready); Mahidol-Oxford Tropical Medicine Research Unit, Bangkok, Thailand (P. Turner, F. Nosten, R. McGready); and University of Oxford, Oxford, UK (P. Turner, F. Nosten, R. McGready)

Main Article


Characteristics of Aeromonas spp. isolates from blood of 3 pregnant women, Thailand–Myanmar border, January–May 2011*

Characteristic Patient no., organism
1, A. hydrophila 2, A. veronii biovar sobria 3, A. veronii biovar sobria
Species identification results

Growth in 1% NaCl

+ + +

Growth in 6% NaCl

Growth on TCBS agar (colonies)

+/– (yellow) +/– (yellow) +/– (green)

Glucose fermentation

+ + +


+ + +

O129 susceptibility (10 µg/150 µg)

–/– –/– –/–

Esculin hydrolysis



+ + +


+ + +

Gas from glucose (TSI)

+ + +

Acid from arabinose

Cephalothin susceptibility (30 µg) +

Antimicrobial drug susceptibilities (zone diameter, mm)

Ampicillin (10 µg)

NA (6) NA (6) NA (6)

Ceftazidime (30 µg)

S (30) S (31) S (32)

Ceftriaxone (30 µg)

S (26) S (40) S (31)

Meropenem (10 µg)

S (30) S (28) S (23)

Chloramphenicol (30 µg)

S (30) S (31) S (28)

Ciprofloxacin (5 µg)

S (33) S (35) S (26)

Co-trimoxazole (25 µg)

S (24) S (22) S (23)

Gentamicin (10 µg)

S (20) S (19) S (18)

*TCBS, thiosulfate-citrate-bile salts-sucrose; O129, disks impregnated with 2,4-diamino-6,7di-iso-propylpteridine phosphate for the presumptive identification of Vibrio spp. from other gram-negative rods; TSI, triple sugar iron; NA, not applicable; S, susceptible (derived according to criteria from [4]).

Main Article

  1. Janda  JM, Abbott  SL. The genus Aeromonas: taxonomy, pathogenicity, and infection. Clin Microbiol Rev. 2010;23:3573. DOIPubMedGoogle Scholar
  2. Damián  RF, Zesati  RV, Fernaindez  LS, Garcia  JL. Septicemia due to Aeromonas hydrophila in a pregnant woman: a case report and review of the literature. Infect Dis Obstet Gynecol. 1995;3:2525. DOIPubMedGoogle Scholar
  3. Carnahan  AM, Behram  S, Joseph  SW. Aerokey II: a flexible key for identifying clinical Aeromonas species. J Clin Microbiol. 1991;29:28439.PubMedGoogle Scholar
  4. Clinical and Laboratory Standards Institute. Methods for antimicrobial dilution and disk susceptibility testing of infrequently isolated or fastidious bacteria, approved guideline. CLSI document M45–A2. Wayne (PA): The Institute; 2010.
  5. Das  AM, Paranjape  VL. Aeromonas sobria in bubaline (water buffalo) abortion: growth requirement, biochemical characters, antibiotic susceptibility, experimental pathogenicity and serology. Indian J Exp Biol. 1990;28:3415.PubMedGoogle Scholar
  6. Belton  S, Whittaker  A. Kathy Pan, sticks and pummelling: techniques used to induce abortion by Burmese women on the Thai border. Soc Sci Med. 2007;65:151223. DOIPubMedGoogle Scholar
  7. Ekwempu  CC, Lawande  RV, Egler  LJ. Microbial flora of the lower genital tract of women in labour in Zaria, Nigeria. J Clin Pathol. 1981;34:823. DOIPubMedGoogle Scholar

Main Article

Page created: August 17, 2012
Page updated: August 17, 2012
Page reviewed: August 17, 2012
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.