| australia | victoria | murine hepatitis virus | no rank | 1 | 0 |
| australia | western australia | murine hepatitis virus | no rank | 0 | 1 |
| brazil | sao paulo | murine coronavirus mhv-3 | no rank | 3 | 0 |
| canada | manitoba | murine hepatitis virus | no rank | 0 | 1 |
| hong kong | | murine hepatitis virus | no rank | 0 | 1 |
| iran | | murine hepatitis virus | no rank | 1 | 0 |
| japan | kanagawa prefecture | murine hepatitis virus | no rank | 0 | 1 |
| japan | tokyo prefecture | murine hepatitis virus | no rank | 0 | 1 |
| taiwan | | murine hepatitis virus | no rank | 0 | 2 |
| united kingdom | england | murine hepatitis virus | no rank | 0 | 1 |
| united states | | murine hepatitis virus | no rank | 11 | 0 |
| united states | minnesota | murine hepatitis virus | no rank | 0 | 1 |
| united states | pennsylvania | murine coronavirus inf-mhv-a59 | no rank | 1 | 0 |
| united states | pennsylvania | murine coronavirus mhv-1 | no rank | 1 | 0 |
| united states | pennsylvania | murine coronavirus mhv-3 | no rank | 1 | 0 |
| united states | pennsylvania | murine coronavirus mhv-jhm.ia | no rank | 1 | 0 |
| united states | pennsylvania | murine coronavirus ra59/r13 | no rank | 1 | 0 |
| united states | pennsylvania | murine coronavirus ra59/sjhm | no rank | 1 | 0 |
| united states | pennsylvania | murine coronavirus repa59/rjhm | no rank | 1 | 0 |
| united states | pennsylvania | murine coronavirus repjhm/ra59 | no rank | 1 | 0 |
| united states | pennsylvania | murine coronavirus rjhm/a | no rank | 1 | 0 |
| united states | pennsylvania | murine coronavirus sa59/rjhm | no rank | 1 | 0 |
| united states | pennsylvania | murine hepatitis virus | no rank | 0 | 1 |
| united states | pennsylvania | murine hepatitis virus strain a59 | no rank | 2 | 0 |