Table 1.

Overview of streptococcal strains included in the study (n.a., demographic data not available).

strain type	source	n	infant	adult	CSFb	blood	sputa	otherc	NPd	OPe/saliva
non-pneumococcala	disease	101	n.a.	n.a.	70	24	3	4	—	—
	carriage	103	52	51	—	—	—	—	53	50
NTf pneumococci	carriage	17	12	5	—	—	—	—	17	—
overall		221	64	56	70	24	3	4	70	50

^aStrains annotated based on sequence analysis of the ribosomal S2 gene.

^bCerebrospinal fluid.

^cWound, joint puncture, bronchoalveolar lavage fluid, unknown.

^dNasopharynx.

^eOropharynx.

^fNT, non-typeable (presumably acapsular) pneumococci.