TABLE 3.

Relationship between macrolide-resistant genes and serotypes

Resistant geneNo. of pneumococcal isolates tested of serotypes:
19F36B6A23A23F3515NT141118491619A29
DNa2212221111
erm(B)322171456113111
mefb2514456331
DPc12
  • a DN, neither erm(B) nor mef(A)/mef(E) was positive.

  • b mef, mef(A)/mef(E).

  • c DP, both macrolide-resistant genes [mef(A)/mef(E) and erm(B)] were positive.