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- Title
Pigs as Source of Methicillin-Resistant Staphylococcus aureus CC398 Infections in Humans, Denmark.
- Authors
Lewis, Hannah C.; Mølbak, Kåre; Reese, Catrin; Aarestrup, Frank M.; Selchau, Mette; Sørum, Marit; Skov, Robert L.
- Abstract
An emerging subtype of methicillin-resistant Staphylococcus aureus (MRSA), clonal complex (CC) 398, is associated with animals, particularly pigs. We conducted a matched case--control and a case--case study comparing 21 CC398 case-patients with 2 controls randomly selected from the Danish Civil Registry and 2 case-patients infected with MRSA other than CC398. On farms of case-patients, animals were examined for MRSA. Thirteen case-patients reported pig exposure. Living or working on farms with animals was an independent risk factor for CC398 in the case--control (matched odds ratio [MOR] 35.4, 95% confidence interval [CI] 2.7--469.8) and the case--case study (MOR 14.5, 95%CI 2.7--76.7). History of hospitalization was associated with an increased risk only in the case--control study (MOR 11.4, 95% CI 1.4--94.8). A total of 23 of 50 pigs on 4 of 5 farms were positive for CC398. Our results, corroborated by microbiologic testing, demonstrate that pigs are a source of CC398 in Denmark.
- Subjects
DENMARK; STAPHYLOCOCCUS aureus infections; METHICILLIN resistance; DISEASE vectors; STAPHYLOCOCCUS aureus; DRUG resistance in microorganisms
- Publication
Emerging Infectious Diseases, 2008, Vol 14, Issue 9, p1383
- ISSN
1080-6040
- Publication type
Article
- DOI
10.3201/eid1409.071576