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Volume 20, Number 4—April 2014
Dispatch

Salmonella Subtypes with Increased MICs for Azithromycin in Travelers Returned to the Netherlands

Robert-Jan HassingComments to Author , Wil H.F. Goessens, Wilfrid van Pelt, Dik J. Mevius, Bruno H. Stricker, Nicky Molhoek, Annelies Verbon, and Perry J.J. van Genderen
Author affiliations: Erasmus Medical Centre, Rotterdam, the Netherlands (R.-J. Hassing, W.H.F. Goessens, B.H. Stricker, A. Verbon); Inspectorate of Health Care, The Hague, the Netherlands (R.-J. Hassing, B.H. Stricker); National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands (W. van Pelt); Utrecht University, Utrecht, the Netherlands (D.J. Mevius); Central Veterinary Institute of Wageningen UR, Lelystad, the Netherlands (D.J. Mevius); Travel Clinic Havenziekenhuis, Rotterdam (N. Molhoek, P.J.J. van Genderen); Institute for Tropical Diseases, Havenziekenhuis, Rotterdam (P.J.J. van Genderen)

Main Article

Table

Isolates with elevated MICs for ciprofloxacin and isolates with an MIC for azithromycin above that for wild type (>16 mg/L) in Salmonella enterica serotype Typhi and Paratyphi isolates collected in travelers returning to the Netherlands, 1999–2012

Region
 No. (%) isolates
No. (%) isolates with elevated MICs
Azithromycin
 Ciprofloxacin
 Azithromycin and ciprofloxacin
All 205 36 (17.6) 83 (40.5) 20 (9.8)
Asia 161 (78.5) 31 (19.3) 80 (49.7) 20 (12.4)
Southern Asia* 84 (40.0) 21 (25) 69 (82.1) 18 (21.4)
South-Eastern Asia† 44 (21.5) 5 (12.2) 3 (6.8) 1 (2.3)
Western Asia‡ 27 (13.2) 1 (3.7) 6 (22.2) 1 (3.7)
Eastern Asia§ 5 (2.4) 1 (20) 2 (40) 0
Unknown 1 (0.5) 0 0 0
Africa¶ 35 (17.1) 5 (14.3) 1 (2.9) 0
Europe** 4 (2.0) 0 2 (50) 0
Latin America†† 5 (2.4) 0 0 0

*India, Pakistan, Bangladesh, Nepal, Afghanistan, Nepal, Sri Lanka.
†Indonesia, Cambodia, Malaysia, Thailand.
‡Turkey, Iraq, Syria.
§China.
¶Morocco, Ghana, Nigeria, Senegal, Tunisia, Malawi, Tanzania.
**Gibraltar (Great Britain), Greece, Italy, Romania.
††Peru, Mexico, unknown.

Main Article

Page created: March 18, 2014
Page updated: March 18, 2014
Page reviewed: March 18, 2014
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.
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