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Volume 20, Number 7—July 2014
Dispatch

Neisseria gonorrhoeae Strain with Reduced Susceptibilities to Extended-Spectrum Cephalosporins

Duylinh NguyenComments to Author , Severin Gose, Lina Castro, Kathleen Chung, Kyle Bernstein, Micheal Samuel, Heidi Bauer, and Mark Pandori
Author affiliations: San Francisco Department of Public Health, San Francisco, California, USA (D. Nguyen, S. Gose, L. Castro, K. Chung, K. Bernstein, M. Pandori); California Department of Public Health, Richmond, California, USA (M. Samuel, H. Bauer)

Main Article

Table 2

MICs required for Neisseria gonorrhoeae isolates of the 5 most common genogroups in 4 counties in California, USA, 2012*

Table 2. MICs required for Neisseria gonorrhoeae isolates of the 5 most common genogroups in 4 counties in California, USA, 2012*
Genogroup Cefixime, no. (%)
Ceftriaxone, no. (%)
Azithromycin, no. (%)
Low Intermediate High Low Intermediate High Low Intermediate High
2992 69 (98.5) 1 (0.015) 0 70 (100) 0 0 52 (74.3) 18 (25.7) 0
2400 19 (32) 40 (68) 0 8 (13.6) 51 (86.4) 0 55 (93) 4 (7) 0
3307 51 (98) 1 (2) 0 51 (98) 1 (2) 0 50 (96) 2 (4) 0
1407 4 (9) 27 (60) 14 (31) 7 (15.5) 28 (62.2) 10 (22.3) 26 (58) 19 (42) 0
3935 30 (97) 1 (3) 0 30 (97) 1 (3) 0 14 (45) 17 (55) 0
Other 436 (94.5) 24 (5) 1 (0.5) 384 (83.3) 76 (16.5) 1 (0.02) 432 (94) 27 (5.8) 2 (0.2)

*Cefixime: low ≤0.023 μg/mL, intermediate 0.032–0.094 μg/mL, high ≥0.125 μg/mL; ceftriaxone: low ≤0.023 μg/mL, intermediate 0.032–0.094 μg/mL, high ≥0.125 μg/mL; azithromycin: low ≤0.380 μg/mL, intermediate 0.5–1.5 μg/mL, high ≥2.0 μg/mL.

Main Article

Page created: June 17, 2014
Page updated: June 17, 2014
Page reviewed: June 17, 2014
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