Table 5.

Resistance (N [%]) to Common Antibiotics of 166 S pneumoniae Isolates, by Serotypes Grouped by Inclusion in PCV7

NPenicillinErythromycin*Trimethoprim/Sulfa*CeftriaxoneMDR
IRIRIRIR
PCV7-included
 42000000000
 6B113 (27)2 (18)04 (36)2 (18)2 (18)1 (9)1 (9)4 (36)
 9V0
 14601 (17)01 (17)01 (17)1 (17)01 (17)
 18C4000000000
 19F162 (13)9 (56)09 (56)1 (7)8 (53)3 (19)3 (19)10 (63)
 23F121 (8)5 (42)04 (36)2 (17)5 (42)05 (42)4 (33)
 Total PCV7516 (12)17 (33)018 (36)5 (10)16 (32)5 (10)9 (18)19 (37)
PCV7 serogroups
 6A236 (26)3 (13)07 (32)013 (57)003 (13)
 9A505 (100)0005 (100)4 (80)1 (20)5 (100)
 9L201 (50)01 (50)01 (50)1 (50)01 (50)
 9N301 (33)0001 (33)01 (33)1 (33)
 19A66 (100)00002 (33)000
 23A1000000000
 23B3000000000
 Total PCV7 serogroups4312 (28)10 (23)08 (19)022 (51)5 (12)2 (5)10 (23)
Non-PCV7
 15C800001 (13)0000
 11800001 (13)0000
 22F5000000000
 Other281 (4)3 (11)1 (4)2 (7)02 (7)3 (11)02 (7)
 Total Non-PCV7491 (2)3 (6)1 (2)2 (4)2 (4)2 (4)3 (6)02 (4)
Total all serotyped14319 (13)30 (21)1 (0.7)28 (20)7 (5)40 (28)13 (9)11 (8)31 (22)
All specimens16624 (14)31 (19)1 (0.6)35 (21)8 (5)43 (26)13 (8)11 (7)34 (20)
  • * Sensitivity results are missing for erythromycin (3 isolates) and trimethoprim/sulfamethoxazole (2 isolates).

  • Twenty serotypes total; 3 most frequent serotypes shown.

  • 23 of 166 S pneumoniae isolates were not serotyped because isolates did not survive subculture and transport.