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Volume 21, Number 11—November 2015

USA300 Methicillin-Resistant Staphylococcus aureus, United States, 2000–2013

Margaret Carrel1Comments to Author , Eli N. Perencevich, and Michael Z. David1
Author affiliations: University of Iowa, Iowa City, Iowa, USA (M. Carrel, E.N. Perencevich); Iowa Veterans Administration Health Care System, Iowa City (E.N. Perencevich); University of Chicago, Chicago, Illinois, USA (M.Z. David)

Main Article


Types of genotyping* data in the MRSA TypeCat from isolates, indicating number of isolates with data for each genotyping system or result, United States 2000–2013

Data No. (%), N = 33,543
MLST 7,104 (21.2)
spa typing 7,466 (22.3)
PFGE (USA or USA-like) 22,846 (68.1)
dru Typing 78 (0.23)
SCCmec type 13,667 (40.7)
PVL PCR (total tested) 10,782 (32.0)
PVL PCR (positive) 7,370 (22.0)
ACME tested 2,393 (7.68)
Capsule type 70 (0.21)
Coagulase type 48 (0.14)
agr type 476 (1.42)

*Because MRSA isolates could have been subjected to >1 typing method, these categories are not mutually exclusive. ACME, arginine catabolic mobile element; dru, direct repeat unit; MLST, multilocus sequence typing; MRSA, methicillin-resistant Staphylococcus aureus; PFGE, pulsed-field gel electrophoresis; PVL, Panton-Valentine leukocidin; SCC, staphylococcal cassette chromosome.

Main Article

1These authors contributed equally to this article.

Page created: October 16, 2015
Page updated: October 16, 2015
Page reviewed: October 16, 2015
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