| Agent | EIA | IFA |
| CAR bacillus (CARB) (renamed Filobacterium rodentium) | • | • |
| Clostridium piliforme (TYZ) | • | • |
| Encephalitozoon cuniculi (ECUN) | • | • |
| Guinea Pig Adenovirus (GPAdV) | • | • |
| Guinea Pig Cytomegalovirus (GPCMV) | • | • |
| Lymphocytic Choriomeningitis Virus (LCMV) | • | • |
| Parainfluenza Virus 3 (PIV-3) | • | • |
| Pneumonia Virus of Mice (PVM) | • | • |
| Reovirus Type 3 (REO) | • | • |
| Sendai Virus (SEND) | • | • |
| Simian Virus 5 (PI2) (SV5) | • | • |