TABLE 2.
Agglutination reaction results of PHA21:DA21 isolates reacted with antisera absorbed with homologous whole cells, sensitized RBCs, and controls
| Antiserum | Cell typea | Agglutination with HS21 by:
|
|
|---|---|---|---|
| DA | PHA | ||
| Anti-HS18 | Noneb | − | − |
| Anti-HS21 | Noneb | + | + |
| NCTC12516 (HS18) whole cells | + | + | |
| Unsensitized RBCs | + | + | |
| NCTC12518 (HS21) whole cells | − | − | |
| RBCs sensitized with NCTC12518 (HS21) | + | − | |
a
Strains from the National Collection of Type Cultures are the Penner type strains as used for antiserum production (8).
b
Control reaction.