Table 4.
VP1 amino acid sequence comparison among the twenty-five Italian CIAV strains detected in the study and vaccine strains.
| CIAV Strains | Amino Acid Position | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 22 | 75 | 97 | 125 | 139 | 144 | 157 | 287 | 290 | 370 | 394 | 413 | 447 | |
| Del-Ros | H | V | M | I | K | E | V | S | A | G | Q | S | G |
| 26P4 | . | . | . | . | . | . | M | T | . | S | . | A | T |
| CIAV/IT/CK/855/17 | . | I | L | . | Q | Q | . | T | . | S | . | A | S |
| CIAV/IT/CK/909-06/18 | . | I | L | . | Q | Q | . | A | . | T | . | A | S |
| CIAV/IT/CK/986-1/18 | - | I | L | L | Q | Q | . | T | P | - | - | - | - |
| CIAV/IT/CK/986-2/18 | . | I | L | . | Q | Q | . | T | P | T | . | A | S |
| CIAV/IT/CK/986-6/18 | - | I | L | L | Q | Q | . | T | P | - | - | - | - |
| CIAV/IT/CK/1014-1/18 | N | I | L | . | Q | Q | . | A | . | T | . | A | S |
| CIAV/IT/CK/1099/19 | . | I | L | . | Q | Q | . | T | . | S | . | A | S |
| CIAV/IT/CK/1100/19 | . | I | L | . | Q | Q | . | T | . | - | - | - | - |
| CIAV/IT/CK/1101/19 | - | I | L | . | Q | Q | . | T | . | S | . | A | S |
| CIAV/IT/CK/1153-1/19 | - | . | . | . | . | . | M | T | . | - | - | - | - |
| CIAV/IT/CK/1153-2/19 | N | I | L | . | Q | Q | . | A | . | S | . | A | S |
| CIAV/IT/CK/1155/19 | Q | . | . | . | Q | Q | . | . | . | R | . | . | S |
| CIAV/IT/CK/1157/19 | N | I | L | . | Q | Q | . | A | . | T | . | A | S |
| CIAV/IT/CK/1179/19 | - | I | L | . | Q | Q | . | T | . | - | - | - | - |
| CIAV/IT/CK/1180/19 | Q | . | . | . | . | . | . | . | . | . | . | . | S |
| CIAV/IT/CK/1185/19 | - | I | L | . | Q | Q | . | A | . | S | . | A | S |
| CIAV/IT/CK/1186/19 | . | I | L | . | Q | Q | . | A | . | T | . | A | S |
| CIAV/IT/CK/1187/19 | - | I | L | . | Q | Q | . | T | . | S | . | A | S |
| CIAV/IT/CK/1188/19 | N | I | L | . | Q | Q | . | A | . | S | . | A | S |
| CIAV/IT/CK/1189/19 | - | I | L | . | Q | Q | . | A | . | - | - | - | - |
| CIAV/IT/CK/1191/19 | - | I | L | . | Q | Q | . | T | P | S | . | A | S |
| CIAV/IT/CK/1192/19 | - | I | L | . | Q | Q | . | A | . | - | - | - | - |
| CIAV/IT/CK/1195/19 | - | . | L | . | Q | Q | . | . | . | - | - | - | - |
| CIAV/IT/CK/1196/19 | . | I | L | . | Q | Q | . | A | . | T | . | A | S |
| CIAV/IT/CK/1201/19 | - | I | L | . | Q | Q | . | A | . | - | - | - | - |
(.) = same amino acid of reference strain Del-Ros; (-) = sequence not available.