TABLE 3.

Results of somatic testing with DS antisera

GroupHomologous reactionsHeterologous reactions
No. testedNo. with reaction:No. testedNo. positive
3+/4+2+≤1+
A10100050
B20200050
C110100050
C210100050
D
    Total15636100
    Lot 04-60261022650
    Lot 06-6091541050
E11007350
E4770050
F770050
G10100050
H440050
I990050
K880050
L990050
O10100050
Vi10100020
Total149130109770
Polyvalent O44413a0141b
Polyvalent O136302b4b150
  • a All three were group B strains.

  • b All strains belonged in group F; one strain showed a strong cross-reaction in polyvalent O antiserum, and four strains failed to react in polyvalent O1 antiserum.