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Volume 15, Number 8—August 2009

Research

Increase in Pneumococcus Macrolide Resistance, United States

Stephen G. JenkinsComments to Author  and David J. Farrell
Author affiliations: Weill Cornell Medical College, New York, NY, USA (S.G. Jenkins); Quotient Bioresearch Ltd, London, UK (D.J. Farrell)

Main Article

Table 1

Erythromycin resistance among Streptococcus pneumoniae isolates, year 5 (2004–2005) and year 6 (2005–2006) of the PROTEKT US surveillance study*

   US region†    Isolates, no. resistant/no. submitted (%)
   Year 5    Year 6
   Northeast    518/1,931 (26.8)    662/2,102 (31.5)
   North Central    467/1,314 (35.5)    568/1,395 (40.7)
   Northwest    94/417 (22.5)    108/422 (25.6)
   Southeast    340/998 (34.1)    419/1,064 (39.4)
   South Central    402/1,149 (35.0)    529/1,368 (38.7)
   Southwest    86/448 (19.2)    95/396 (24.0)
   Total    1,907/6,257 (30.5)    2,381/6,747 (35.3)

   *PROTEKT US, Prospective Resistant Organism Tracking and Epidemiology for the Ketolide Telithromycin, United States.
   †States submitting isolates for testing included Northeast: CT, DE, IN, MA, MD, MI, NJ, NY, OH, PA, RI, VT, and DC; North Central: IA, IL, KS, MN, MD, ND, NE, SD, and WI; Northwest: AK, ID, MT, OR, WA, and WY; Southeast: FL, GA, KY, NC, SC, VA, and WV; South Central: AL, AR, LA, OK, TN, and TX; Southwest: AZ, CA, CO, NM, NV, and UT.

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