Outbreak of Streptococcus equi subsp. zooepidemicus infections on the island of Gran Canaria associated with the consumption of inadequately pasteurized cheese

Streptococcus equi subsp. zooepidemicus infections are infrequent in humans. A clinical and epidemiological study of a milk-borne outbreak caused by this organism is described. Fifteen patients (5 females, 10 males) with a median age of 70 years (range 47-86) were infected. Twelve (80%) had underlyi...

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Bibliographic Details
Published in:European journal of clinical microbiology & infectious diseases 2006-04, Vol.25 (4), p.242-246
Main Authors: BORDES-BENITEZ, A, SANCHEZ-ONORO, M, SUAREZ-BORDON, P, GARCIA-ROJAS, A. J, SAEZ-NIETO, J. A, GONZALEZ-GARCIA, A, ALAMO-ANTUNEZ, I, SANCHEZ-MAROTO, A, BOLANOS-RIVERO, M
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Aorta
Arthritis
Bacteremia
Bacteria
Biological and medical sciences
Case-Control Studies
Cheese
Cheese - microbiology
Dairy products
Disease Outbreaks
Epidemics
Epidemiology
Female
Food contamination
Food Microbiology
Humans
Infections
Infectious diseases
Male
Medical sciences
Meningitis
Middle Aged
Milk
Outbreaks
Pasteurization
Patients
Spain - epidemiology
Streptococcal Infections - diagnosis
Streptococcal Infections - epidemiology
Streptococcus equi
Streptococcus equi - isolation & purification
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Summary:Streptococcus equi subsp. zooepidemicus infections are infrequent in humans. A clinical and epidemiological study of a milk-borne outbreak caused by this organism is described. Fifteen patients (5 females, 10 males) with a median age of 70 years (range 47-86) were infected. Twelve (80%) had underlying diseases. Infection with S. equi subsp. zooepidemicus presented as primary bacteremia in six cases, as bacteremia associated with aortic aneurism in four cases, as septic arthritis in two cases, as pneumonia in two cases, and as meningitis in one case. Five (33.3%) patients died. A case-control study proved that consumption of inadequately pasteurized cheese of a specific brand was associated with S. equi subsp. zooepidemicus disease (OR=4.5; 95% CI 1.57-19.27; p
ISSN:0934-9723
1435-4373
DOI:10.1007/s10096-006-0119-x