Skip to main content

Table 2 Detection of erythromycin-resistance genes for 135 erythromycin-resistant pneumococcal isolates

From: Molecular characteristics of erythromycin-resistant Streptococcus pneumoniaefrom pediatric patients younger than five years in Beijing, 2010

Macrolide-resistance genes

No. (%)

Age group

MICs (μg/mL) distribution (No.)

MIC range (μg/mL)

ermB

mef

0 to 2 years

2 to 5 years

3

12

>256

+

+

41 (30.4%)

18 (13.3%)

23 (17.1%)

1

1

39

3- > 256

+

-

94 (69.6%)

36 (26.7%)

58 (42.9%)

  

94

>256