TABLE 4.

FBP genotype of S. pyogenes isolates carrying macrolide resistance genes

Resistance gene	Strains isolated from:
	Patients with invasive infections		Asymptomatic carriers
	Genotypes (no. of isolates) (emm types)	Total no. of isolates	Genotypes (no. of isolates) (emm types)	Total no. of isolates
mefA	fba (4) (emm1, emm2); prtF1/fba (3) (emm1, emm4, emm24); prtF1/prtF2 (3) (emm9, emm12); prtF1/fba/prtF2 (1) (emm89)	11	fba (2) (emm1, emm2); prtF1/fba (13) (emm4, emm28, emm89); prtF1/prtF2 (1) (emm9); prtF1/fba/prtF2 (2) (emm6, emm89)	18
erm(A)/erm(B)	prtF1/prtF2 (2) (emm12); prtF1/fba/prtF2 (6) (emm12, emm18, emm28, emm44/61, emm70, emm77, emm78)	8	prtF1/fba/prtF2 (19) (emm12, emm18, emm28, emm44/61, emm77, emm78, emm89, emm118)	19