Nasal Methicillin-Resistant Staphylococcus aureus Carriage among Foreign Workers Recruited to Taiwan from Southeastern Asian Countries

Kuan Hung Chen, Wen Ching Chuang, Wang Kin Wong, Chih Hsien Chuang, Chih Jung Chen, Yhu Chering Huang*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

3 Scopus citations

Abstract

Background: In 2012, we identified the dissemination of methicillin-resistant Staphylococcus aureus (MRSA) sequence type (ST)45 strain in 14 nursing homes in Taiwan and foreign nurse workers, a significant risk factor for MRSA carriage. We conducted this study to understand MRSA carriage and molecular characteristics among foreign workers recruited from Southeastern Asian countries. Methods: A cross-sectional study involving a total of 1935 foreign workers - 929 (arrival group) and 1006 (staying group) - from Vietnam (n = 843), Indonesia (n = 780), the Philippines (n = 239), and Thailand (n = 70) were conveniently recruited during upon-arrival and regular health examination in a regional hospital. A nasal swab was obtained from each participant for detection of MRSA. Results: Overall, MRSA carriage rate was 2.72%, with 2.26% for arrival group and 3.18% for staying group, and 4.74% for Vietnamese, 1.28% for Indonesians, 1.26% for Filipino, and none for Thai workers. Pulsotype AK/ST45 (57%) and pulsotype AX/ST188 (14%) were the top 2 dominant clones for the arrival group, whereas pulsotype D/ST59 (41%) (an endemic community clone in Taiwan) and pulsotype AK/ST45 (19%) were predominant for the staying group. A significant decrease of pulsotype AK/ST45 from 57% to 19% (P =. 007) and increase of pulsotype D/ST59 from 4.8% to 41% (P =. 004) were found between the arrival and the staying groups. Conclusions: Approximately 3% of foreign workers recruited from Southeastern Asian countries to Taiwan were colonized with MRSA, including the ST45 strain. However, the MRSA isolates from workers staying in Taiwan were mostly a locally endemic clone and genetically different from those identified from workers on arrival.

Original languageEnglish
Article numberofaa586
JournalOpen Forum Infectious Diseases
Volume8
Issue number1
DOIs
StatePublished - 01 01 2021

Bibliographical note

Publisher Copyright:
© 2020 The Author(s) 2020. Published by Oxford University Press on behalf of Infectious Diseases Society of America.

Keywords

  • Taiwan
  • carriage
  • foreign worker
  • methicillin-resistant Staphylococcus aureus
  • sequence type 45

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