TABLE 1.

S. pneumoniae strains used in this study

Strain	Specimen	Serotype	ST	Yr of isolation	Location	Reference
TIGR4	Blood	4	205	NAa	Norway	1, 31
0100993	NA	3	180	NA	NA	32
R6	Laboratory strain derived from in vitro passage	2	128	1950s	NA	23
D39	NA	2	128	Deposited in NCTC in 1948	NA	3
P11	Blood	14	9	2003	Aberdeen, Scotland	17
N16	Blood	14	9	2000	Dundee, Scotland	17
P33	Eye	14	9	2001	Dumfries, Scotland	17
10	Blood	14	124	2000	Aberdeen, Scotland	17
48	Blood	14	124	2000	Glasgow, Scotland	17
50	Blood	14	124	2001	Glasgow, Scotland	17
P49	Blood	3	180	2002	Glasgow, Scotland	17
PMEN7	NA	19A	75	<1997	South Africa	28
PMEN13	NA	19A	41	<1997	South Africa	28
PMEN23	NA	6A	37	1994-2000	North Carolina	24

^aNA, data not available or not known.