Journal article
Marked increase in community-associated methicillin-resistant Staphylococcus aureus infections, Western Australia, 2004–2018
Epidemiology and Infection, Vol.158, E153
2020
Abstract
This study presents enhanced surveillance data from 2004 – 2018 for all community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) specimens collected in Western Australia (WA), and describes the changing epidemiology over this period. A total of 57,557 cases were reviewed. Annual incidence rates increased from 86.2 cases per 100,000 population to 245.6 per 100,000 population (IRR = 2.9, CI95 2.7 – 3.0). The proportion of isolates carrying Panton-Valentine leukocidin (PVL)-associated genes increased from 3.4% to 59.8% (χ2 test for trend 7021.9, p<0.001). The emergence of PVL-positive, “Queensland CA-MRSA” (ST93- IV) and “WA 121” (ST5-IV) accounted for the majority of increases in CA-MRSA across the study period. It is unclear why some clones are more prolific in certain regions. In WA, CA-MRSA rates increase as indices of temperature and humidity increase after controlling for socioeconomic disadvantage. We suggest climatic conditions may contribute to transmission, along with other socio-behavioural factors. A better understanding of the ability for certain clones to form ecological niches and cause outbreaks is required.
Details
- Title
- Marked increase in community-associated methicillin-resistant Staphylococcus aureus infections, Western Australia, 2004–2018
- Authors/Creators
- L.E. Bloomfield (Author/Creator) - Edith Cowan UniversityG.W. Coombs (Author/Creator) - Murdoch UniversityS. Tempone (Author/Creator) - Government of Western Australia Department of HealthP.K. Armstrong (Author/Creator) - Government of Western Australia Department of Health
- Publication Details
- Epidemiology and Infection, Vol.158, E153
- Publisher
- Cambridge University Press
- Identifiers
- 991005539582807891
- Copyright
- © 2020 The Authors
- Murdoch Affiliation
- School of Medical, Molecular and Forensic Sciences
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- Citation topics
- 1 Clinical & Life Sciences
- 1.23 Antibiotics & Antimicrobials
- 1.23.173 MRSA and VRE
- Web Of Science research areas
- Infectious Diseases
- Public, Environmental & Occupational Health
- ESI research areas
- Social Sciences, general