Table 1: Test strains.

SerotypeStrain designationSerotypeStrain designation

1ATCC6301a14D59b
2ATCC6302a15FATCC6315a
3D36b15AATCC6330a
4JHK27b15BATCC10354a
5ATCC6305a15CSSI15C/2c
6AMSC1943b17FATCC6317a
6BMSC1047b17ASSI17A/2c
7FATCC10351a18FATCC6318a
7AATCC6307a18AATCC10344a
7BATCC10348a18BATCC10355a
7CATCC10350a18CATCC10356a
8ATCC6308a19FD33b
9AATCC8333a19AD4b
9VKD10-11b19BATCC10358a
9LATCC10349a19CATCC10359a
9NKD01-26b20ATCC6320a
10FATCC6310a22FKD01-23b
10AATCC8334a22AATCC10363a
10BSSI10B/2c23FKD11-15b
10CSSI10C/2c23AKD12-06b
11FATCC6311a23BATCC10364a
11ASSI11A/2c33FATCC10370a
11BSSI11B/2c33AATCC8340a
11CATCC10353a33BATCC10342a
11DSSI11D/1c33CATCC8339a
12FATCC6312a33DSSI33D/2c
12ASSI12A/5c44SSI44/3c
12BSSI12B/1c46SSI46/2c

Explanatory notes: Serotypes represented in bold letter are those included in 23-valent pneumococcal vaccine.
aAmerican Type Culture Collection.
bClinical isolate obtained from Japan.
cStatens Serum Institute.