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Epidemiologia e Serviços de Saúde
Print version ISSN 1679-4974On-line version ISSN 2337-9622
Abstract
SOARES, Patricia de Almeida et al. Outbreak of nephritis by Streptococcus equi subspecies zooepidemicus: case-control study in the municipality of Monte Santo de Minas, Minas Gerais, Brazil, 2013. Epidemiol. Serv. Saúde [online]. 2017, vol.26, n.2, pp.405-412. ISSN 1679-4974. http://dx.doi.org/10.5123/s1679-49742017000200018.
OBJECTIVE:
to investigate an outbreak of nephritis by Streptococcus zooepidemicus in Monte Santo de Minas, Minas Gerais State, Brazil.
METHODS:
a case-control study and attempt to isolate the bacterial agent were carried out from January to April 2013, using clinical and laboratory data, interviews and inspections.
RESULTS:
417 suspected cases were reported, of which 175 (42.0%) were confirmed; 90.9% lived in that municipality, of which 67.4% were female, with median age of 36 years; 24% of cases were hospitalized; three ice cream shops in the municipality used type A milk; there was significant association between the illness and the consumption of type A milk (odds ratio [OR]=4.16/95%CI: 1.55;11.18), one of the ice cream made with this milk (OR=3.09/95%CI: 1.39;6.86) and milk shake of non-processed milk (OR=3.25/95%CI: 1.13;9.36); the bacterium was not detected in rural properties.
CONCLUSION:
the outbreak of nephritis by Streptococcus zooepidemicus was associated with the consumption of milk and dairy products.
Keywords : Glomerulonephritis; Streptococcus equi; Case-Control Studies; Milk; Epidemiological Surveillance.
