TABLE 3.

Distribution of pneumococcal (n = 2,721) serogroups and their prevalence of resistance to penicillin, erythromycin, and ciprofloxacin

Serogroup	No. of strains	% of strains	% Resistant to:
			Penicillin	Erythromycin	Ciprofloxacin
19	418	15.4	16.0	57.9	5.5
6	346	12.7	27.5	71.1	4.6
23	258	9.5	35.7	44.2	3.9
14	240	8.8	68.8	40.8	6.3
3	223	8.2	0.0	2.7	1.8
NT	174	6.4	10.9	33.9	7.5
9	171	6.3	48.0	9.9	5.3
11	90	3.3	1.1	15.6	2.2
10	72	2.6	1.4	16.7	0.0
4	68	2.5	2.9	16.2	7.4
35	61	2.2	14.8	3.3	6.6
15	61	2.2	3.3	47.5	6.6
1	57	2.1	0.0	10.5	1.8
Othersa	482	17.7	2.1	17.0	3.9

^aIncluding 26 different serogroups.