Table 1.

Syncytium-inducing phenotype of primary isolates from different subtypes

IsolateSubtypeaPhenotype in MT-2 cellsa
92RW021ANDb
CA1ANSI
VI191ANSI
VI313ANSI
SF33BSI
SF2BSI
92HT594BSI
92HT593BSI
91US056BNSI
JR-FLBNSI
93TH080BND
BK131BND
CA5BNSI
89.6BSI
MNpBSI
BZ167BSI
MALBSI
SM993CNSI
CI13DNSI
CA20FNSI
VI525GSI
  • a The subtypes and phenotypes of each virus are listed as reported in the AIDS Research and Reference Reagent Program Catalog or in reference 37.

  • b ND, not done.