|   |  |  CF antigen failed to fix complement in the presence of the following immune reagents: SLE, FLA, rabies, groups VSV, TCR, SIM, KEM, GMA, CAP, CAL, C, ANA, ANB, TUR, B, BWA, CON, PAL, PAT, QRF, numerous NIH grouping HIAF's. Strain TBM3-24 was shown to be closely related or identical to strains TBM3-204 and TBM4-719                                                       [1]                                             . HIAF to strain TBM3-204 reacted by CF with PHL group members CHG and BUJ at YARU                                                      [2]                                             . HI tests with strain TBM4-719 and 31 grouping fluids showed inhibition of HA activity only with PHL group HIAF                                                       [2]                                             .   |  |   |  |   |       Rio Grande Antigen/Virus       |       Rio Grande Antibody       | 
|---|
 |       Antigen or Antibody       |       CF       |       NT       |       CF       |       NT       | 
|---|
 
  |  
  |  | a        Ht titer/Ho titer; 0 = <8        |  |       TBM3-204       | >128/>128  a |       512/512       |       >128       |       512       |  |       Chagres       |       0/>128       |       <16/1024       |       32/>128       |       <16/512       |  |       Bujaru       |       0/16       |       <16/<16       |       4/>128       |       <16/512       |  |       Candiru       |       0/64       |       <16/512       |       0/>128       |  |       Naples       |       0/>128       |       <16/256       |       0/>128       |  |       Sicilian       |       0/32       |       <16/>1024       |       0/>128       |  |       Anhanga       |   |       <16/128       |       0/>128       |  |       Arumowot       |   |       <16/2048       |       0/>128       |  |       Karimabad       |   |       <16/256       |       0/>128       |  |       Itaporanga       |   |       <16/4096       |       0/>128       |  |       Icoaraci       |   |       <16/32,000       |       0/>128       |  |       Punta Toro       |   |       <16/8192       |       0/>128       |  |       Salehabad       |   |       <16/32       |       0/>128       |  |       Urucuri       |   |       <16/128       |       0/>128       |  |       Gabek Forest       |   |       <16/64       |       0/>128       |  |       Pacui       |   |       <16/4096       |  |  |       Frijoles       |   |       <16/2048       |  |  |       Gordil       |   |       <16/256       |  |  |       Caimito       |   |       <16/256       |  |  |       Nique       |   |       <16/128       |  |  |       Aguacate       |   |       <16/512       |  |  |       Chilbre       |   |       <16/1024       |  |  |       Cacao       |   |       <16/512       |  |  |       Buenaventura       |   |       <16/128       |  |  
  |  |   |  |       CF Tests       | 
|---|
 |   |       Antibody to:       | 
|---|
 |       Antigens       |       TBM4-719       |       TBM3-204       |       TBM3-24       | 
|---|
 
  |  
  |  | b        Antigen titer/antibody titer        |  |       TBM4-719       | 128/64  b |       256/256       |       128/128       |  |       TBM3-204       |       256/64       |       256/128-256       |       128/32       |  |       TBM3-24       |       256/64       |       256/128-256       |       128/64       |  
  |  |  Neutralization tests for the identification of Rio Grande virus were performed by Dr. R.B. Tesh.   |  |   |   
             |