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- Title
Community-associated methicillin-resistant Staphylococcus aureus in outpatients, United States, 1999-2006.
- Authors
Klein, Eili; Smith, David L; Laxminarayan, Ramanan
- Abstract
Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) has become a major problem in US hospitals already dealing with high levels of hospital-associated MRSA (HA-MRSA). Using antimicrobial drug susceptibility data for 1999-2006 from The Surveillance Network, we characterized the relationship between outpatient and inpatient levels of CA-MRSA nationally. In outpatients, the frequency of CA-MRSA isolates has increased >7 x during 1999-2006, which suggests that outpatients have become a major reservoir for CA-MRSA. However, contrary to results in other reports, although CA-MRSA increases are associated with decreases in the frequency of HA-MRSA in hospitals, the decreases are only modest. This finding suggests that instead of replacing HA-MRSA in the hospital, CA-MRSA is adding to the overall presence of MRSA already found within the hospital population.
- Publication
Emerging infectious diseases, 2009, Vol 15, Issue 12, p1925
- ISSN
1080-6059
- Publication type
Journal Article
- DOI
10.3201/eid1512.081341