Table 3.

Serotype distribution in 22 IPD patients according to type of disease and vaccination status

PF, pleural fluid.

	Age (months)	Vaccinated	Culture result	RT-PCR results (gene lytA)			Serotyping
				Blood	CSF	PF	PCR with serotype-specific primers*	PCR for gene cps
Arthritis (n=2)	6	No		POS			nt	POS
	10	No	POS	POS			22F	POS
Pneumonia (n=16)	85	No		POS			4	POS
	24	No		POS		POS	6A/B	POS
	1	No		POS			6A/B	POS
	22	Yes		POS			19A	POS
	22	No		POS			8	POS
	38	No		POS			8	POS
	4	No		POS			nt	POS
	11	No		POS			14	POS
	70	No		POS			18	POS
	108	No	POS	POS		POS	18C†	POS
	51	No		POS			nt	POS
	55	Yes		POS			1	POS
	71	No		POS			19F	POS
	63	Yes		POS			12	POS
	43	Yes		POS			3	POS
	50	No		POS			19F	POS
Meningitis/sepsis (n=4)	19	No	POS	POS			4	POS
	38	No		POS	POS		6A/B	POS
	120	No	POS	POS	POS		23F	POS
	80	No		POS	POS		9V/A	POS

*nt, Non-typeable.

†Culture confirmed.