Document Detail

An outbreak of food-borne group A Streptococcus (GAS) tonsillopharyngitis among residents of a dormitory.
MedLine Citation:
PMID:  16126564     Owner:  NLM     Status:  MEDLINE    
Epidemics of food-borne pharyngitis due to group A Streptococcus are rarely reported. Here we present an outbreak of food-borne tonsillopharyngitis in female dormitories in the Islamic Republic of Iran. Throat swabs and cultures were performed on a number of patients, and of specimens from the nasopharynx and hands of staff who were involved in food processing. We planned a case-control study for assessing the source of epidemics. 11 out of 17 throat swabs of students were positive for Streptococcus group A and also 2 throat samples from asymptomatic cooks were positive. A DNA fingerprinting study showed that Streptococcus group A strains of 11 students and 1 cook had the same T agglutination pattern and M protein factor (M3/T13). It is suggested that group A streptococci as well as group C and G streptococci can cause epidemic food-borne pharyngitis. Regular health surveillance of food handlers and food preparation processes are important for prevention of such outbreaks.
M R Sarvghad; H R Naderi; M Naderi-Nassab; R Majdzadeh; M Javanian; H Faramarzi; P Fatehmanesh
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Scandinavian journal of infectious diseases     Volume:  37     ISSN:  0036-5548     ISO Abbreviation:  Scand. J. Infect. Dis.     Publication Date:  2005  
Date Detail:
Created Date:  2005-08-29     Completed Date:  2005-11-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0215333     Medline TA:  Scand J Infect Dis     Country:  Sweden    
Other Details:
Languages:  eng     Pagination:  647-50     Citation Subset:  IM    
Department of Infectious Diseases, Imam Reza General Hospital, School of Medicine, Mashhad University of Medical Sciences, Iran.
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MeSH Terms
Disease Outbreaks*
Food Microbiology*
Pharyngitis / epidemiology*,  microbiology
Streptococcal Infections / epidemiology,  microbiology
Streptococcus pyogenes / isolation & purification*
Tonsillitis / epidemiology*,  microbiology

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