Skip to main content
. 2003 May;71(5):2966–2969. doi: 10.1128/IAI.71.5.2966-2969.2003

TABLE 2.

Virulence of A. pyogenes BBR1 and JGS351

Challenge strain and dose (CFU) No. infected/total no. Avg bacterial viable count (CFU) from infected mouse specimena:
Liver PF
BBR1
    3.7 × 107 0/8 b
    3.7 × 108 7/8 1.9 × 108 8.7 × 107
    3.7 × 109 8/8 NDc ND
JGS351
    1.8 × 108 0/8
    1.8 × 109 3/8 1.1 × 109 5.9 × 107
    1.8 × 1010 6/8 2.4 × 109 3.1 × 109
a

Minimum titers detected were 500 CFU/g for liver and 10 CFU/ml for PF.

b

—, below the limits of detection.

c

ND, not determined.