Volume 24, Number 2—February 2018
Research
Spread of Meropenem-Resistant Streptococcus pneumoniae Serotype 15A-ST63 Clone in Japan, 2012–2014
Satoshi Nakano
, Takao Fujisawa, Yutaka Ito, Bin Chang, Yasufumi Matsumura, Masaki Yamamoto, Miki Nagao, Shigeru Suga, Makoto Ohnishi, and Satoshi Ichiyama
, Takao Fujisawa, Yutaka Ito, Bin Chang, Yasufumi Matsumura, Masaki Yamamoto, Miki Nagao, Shigeru Suga, Makoto Ohnishi, and Satoshi Ichiyama
Table 1
Pneumococcal isolates from Japan, 2012–2014, and MICs for penicillin, meropenem, and erythromycin
| Serotype and sequence type | No. isolates | MIC, μg/mL |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Penicillin |
Meropenem |
Erythromycin |
|||||||||
| <0.06 | 0.12–1.0 | >2.0 | <0.06 | >0.5 | <0.25 | 0.5 | >1.0 | ||||
| 15A | |||||||||||
| 63 |
34 |
0 |
13 |
21 |
10 |
24 |
0 |
0 |
34 |
||
| 15B/C | |||||||||||
| 83 | 2 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 2 | ||
| 3934 |
1 |
0 |
1 |
0 |
0 |
1 |
0 |
0 |
1 |
||
| 19A | |||||||||||
| 3111 | 7 | 0 | 4 | 3 | 0 | 7 | 0 | 0 | 7 | ||
| 320 |
4 |
0 |
0 |
4 |
0 |
4 |
0 |
0 |
4 |
||
| 19F | |||||||||||
| 236 | 2 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 2 | ||
| 115 |
1 |
0 |
0 |
1 |
0 |
1 |
0 |
0 |
1 |
||
| 23F | |||||||||||
| 242 |
1 |
0 |
0 |
1 |
0 |
1 |
0 |
0 |
1 |
||
| 35B | |||||||||||
| 558 |
8 |
0 |
5 |
3 |
0 |
8 |
2 |
0 |
6 |
||
| 6A | |||||||||||
| 2756 |
1 |
0 |
0 |
1 |
0 |
1 |
0 |
0 |
1 |
||
| 6B | |||||||||||
| 9335 |
1 |
0 |
0 |
1 |
0 |
1 |
0 |
0 |
1 |
||
| 6D | |||||||||||
| 282 |
1 |
0 |
0 |
1 |
0 |
1 |
0 |
0 |
1 |
||
| Untypeable | |||||||||||
| 7502 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | ||
| 4845 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | ||
| 10253 |
1 |
0 |
0 |
1 |
0 |
1 |
0 |
0 |
1 |
||
| Total | 66 | 0 | 23 | 43 | 10 | 56 | 2 | 0 | 64 | ||
Page created: January 17, 2018
Page updated: January 17, 2018
Page reviewed: January 17, 2018
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