| Human parainfluenza virus 1 | ||
| Window | Rule | Frequency |
| Window 9 | pos3 = D pos5 = L pos3 = F pos6 = L pos3 = V pos6 = V pos3 = V pos6 = V pos1 = L pos4 = A pos2 = F pos5 = V pos5 = A pos8 = V pos3 = F pos6 = L | 0.917 0.917 0.909 0.909 0.909 0.909 |
| Window 13 | pos2 = I pos7 = V pos2 = I pos7 = V pos7 = A pos12 = L pos7 = V pos12 = F | 0.929 0.923 0.917 0.909 |
| Window 17 | pos2 = A pos4 = S | 0.909 |