TABLE 4.
Serologic analyses
| Serologic analysis | Titer |
||||
|---|---|---|---|---|---|
| ABV | UPOV | Araguari virus | DHOV | THOV | |
| Hemagglutination inhibition | |||||
| Antibody | Antigen (4 U)a |
||||
| ABV | 1,280 | 40 | ND | <10 | 160 |
| UPOV | 160 | 320 | ND | <10 | 40 |
| Araguari virus | <10 | <10 | 640 | <10 | 10 |
| DHOV | <10 | <10 | <10 | 2,560 | 10 |
| THOV | 1,280 | 40 | 10 | 80 | 5,120 |
| Complement fixation | |||||
| Antigen | Antibodyb |
||||
| ABV | ≥64/≥8 | <8/<8 | <8/<8 | <8/<8 | 32/≥8 |
| UPOV | ≥64/≥1 | ≥64/≥1 | <8/<8 | <8/<8 | <8/<8 |
| Araguari virus | <8/<8 | <8/<8 | ≥64/≥8 | <8/<8 | <8/<8 |
| DHOV | <8/<8 | <8/<8 | <8/<8 | ≥64/≥8 | <8/<8 |
| THOV | 32/≥8 | <8/<8 | <8/<8 | <8/<8 | ≥64/≥8 |
a
Reciprocal of the serum dilution giving complete inhibition of agglutination with 4 units of antigen. ND, not done.
b
Reciprocal of the serum dilution/optimal antigen dilution resulting in fixation of complement (2 units of guinea pig complement).