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J Microbiol Immunol Infect. 2014 Dec;47(6):542-5. doi: 10.1016/j.jmii.2013.08.011. Epub 2013 Oct 8.

A report on the first outbreak of a single clone group A Streptococcus (emm-type 89) tonsillopharyngitis in China.

Author information

  • 1Department of Infectious Diseases and Clinical Microbiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People's Republic of China.
  • 2Center for Disease Control and Prevention, Fengtai, Beijing, People's Republic of China.
  • 3Center for Disease Control and Prevention, Fengtai, Beijing, People's Republic of China. Electronic address: ft8302@yahoo.com.cn.
  • 4Department of Infectious Diseases and Clinical Microbiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People's Republic of China. Electronic address: caobin1999@gmail.com.

Abstract

In 2012, 28 out of 140 staff working for a film crew in a Beijing movie and television base experienced a sudden onset of fever, sore throat, and/or tiredness, headache within the 24 hour period of July 26-27. All of the patients visited the hospital and were diagnosed as having tonsillopharyngitis. On July 28, 2012, a team of Centers for Disease Control and Prevention staff arrived and initiated an outbreak investigation. Pharyngeal swabs were obtained from patients for microbiologic analysis. All isolates of the outbreak were analyzed for toxin-genes and drug-resistance genes by polymerase chain reaction, and were performed for the emm typing and pulsed-field gel electrophoresis typing. On July 30, 2012, Group A Streptococcus was isolated from eight of the 16 throat swab specimens obtained on site. These isolates were found to have the same genotype emm 89. This is the first report to identify Group A Streptococcus emm type-89 as a cause of tonsillopharyngitis in Beijing, China.

Copyright © 2013. Published by Elsevier B.V.

KEYWORDS:

Film crew; Group A Streptococcus; Outbreak; Tonsillopharyngitis; emm-type 89

PMID:
24113070
[PubMed - indexed for MEDLINE]
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