Volume 20, Number 7—July 2014
Dispatch
Neisseria gonorrhoeae Strain with Reduced Susceptibilities to Extended-Spectrum Cephalosporins
Duylinh Nguyen
, Severin Gose, Lina Castro, Kathleen Chung, Kyle Bernstein, Micheal Samuel, Heidi Bauer, and Mark Pandori
, Severin Gose, Lina Castro, Kathleen Chung, Kyle Bernstein, Micheal Samuel, Heidi Bauer, and Mark Pandori
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.
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Page updated: June 17, 2014
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