| Treatment | Group 1 | Group 2 | Group 3 | Group 4 | Group 5 |
| CHVi 1 ml sc | Yes | Yes | |||
| CHVi + NANO 1 ml sc | yes | ||||
| NANO 1 ml sc | Yes | ||||
| Adimod® oral seven days 2 ml | Yes | yes | |||
| Inactivated MDCK cells 1 ml sc | Yes | Yes |