Table 3.
Antigenic relatedness of avian paramyxoviruses as determined by Archetti and Horsfall calculations based on HI test results.
| Virus | Antiserum | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| UPO216 | APMV-1 | APMV-2 | APMV-3 | APMV-4 | APMV-6 | APMV-7 | APMV-8 | APMV-9 | |
| UPO216 | 1.000 | 0.098a | 0.008 | 0.044 | 0.016 | 0.003 | 0.044 | 0.031 | 0.125 |
| APMV-1 | 1.000 | 0.001 | 0.006 | 0.004 | 0.001 | 0.004 | 0.001 | 0.044 | |
| APMV-2 | 1.000 | 0.011 | 0.008 | 0.022 | 0.031 | 0.008 | 0.004 | ||
| APMV-3 | 1.000 | 0.016 | 0.006 | 0.044 | 0.008 | 0.044 | |||
| APMV-4 | 1.000 | 0.022 | 0.016 | 0.008 | 0.016 | ||||
| APMV-6 | 1.000 | 0.031 | 0.004 | 0.006 | |||||
| APMV-7 | 1.000 | 0.011 | 0.044 | ||||||
| APMV-8 | 1.000 | 0.011 | |||||||
| APMV-9 | 1.000 | ||||||||
a
Numbers represent R-values calculated from the cross-HI results using the method of Archetti and Horsfall (1951). Homologous viruses give values of 1.