| austria | | mammalian orthoreovirus | species | 10 | 0 |
| brazil | | mammalian orthoreovirus | species | 10 | 0 |
| cameroon | | mammalian orthoreovirus 2 | no rank | 10 | 0 |
| cameroon | | mammalian orthoreovirus 4 ndelle | no rank | 5 | 0 |
| canada | | mammalian orthoreovirus 3 | no rank | 26 | 0 |
| canada | | reovirus sp. t2w | no rank | 4 | 0 |
| canada | ontario | mammalian orthoreovirus 1 | no rank | 0 | 2 |
| china | | mammalian orthoreovirus | species | 232 | 0 |
| china | | mammalian orthoreovirus 1 | no rank | 34 | 0 |
| china | | mammalian orthoreovirus 2 | no rank | 15 | 0 |
| china | | mammalian orthoreovirus 3 | no rank | 50 | 0 |
| china | | porcine reovirus shr-a | no rank | 10 | 0 |
| china | heilongjiang | mammalian orthoreovirus | species | 10 | 0 |
| china | sichuan | mammalian orthoreovirus | species | 233 | 0 |
| china | yunnan | mammalian orthoreovirus | species | 12 | 0 |
| france | | mammalian orthoreovirus 2 | no rank | 10 | 0 |
| germany | | mammalian orthoreovirus | species | 9 | 0 |
| germany | | mammalian orthoreovirus 2 | no rank | 10 | 0 |
| hungary | | mammalian orthoreovirus | species | 10 | 0 |
| india | | mammalian orthoreovirus | species | 20 | 0 |
| italy | | mammalian orthoreovirus | species | 60 | 0 |
| italy | | mammalian orthoreovirus 2 | no rank | 10 | 0 |
| italy | | mammalian orthoreovirus 3 | no rank | 56 | 0 |
| japan | | mammalian orthoreovirus 1 | no rank | 10 | 0 |
| japan | | mammalian orthoreovirus 2 | no rank | 10 | 0 |
| japan | ishikawa prefecture | mammalian orthoreovirus 3 | no rank | 10 | 0 |
| japan | kanagawa prefecture | mammalian orthoreovirus 2 | no rank | 10 | 0 |
| japan | kanagawa prefecture | mammalian orthoreovirus 3 | no rank | 20 | 0 |
| japan | mie prefecture | mammalian orthoreovirus 3 | no rank | 2 | 0 |
| japan | osaka prefecture | mammalian orthoreovirus 2 | no rank | 30 | 0 |
| japan | tottori prefecture | mammalian orthoreovirus 2 | no rank | 10 | 0 |
| japan | toyama prefecture | mammalian orthoreovirus 3 | no rank | 10 | 0 |
| japan | yamaguchi prefecture | mammalian orthoreovirus 2 | no rank | 10 | 0 |
| peru | | mammalian orthoreovirus 1 | no rank | 6 | 0 |
| russia | | mammalian orthoreovirus | species | 1 | 0 |
| slovenia | | mammalian orthoreovirus | species | 80 | 0 |
| south korea | | mammalian orthoreovirus | species | 10 | 0 |
| south korea | | mammalian orthoreovirus 1 | no rank | 12 | 0 |
| south korea | | mammalian orthoreovirus 3 | no rank | 4 | 0 |
| south korea | jeju province | mammalian orthoreovirus | species | 10 | 0 |
| switzerland | | mammalian orthoreovirus | species | 10 | 0 |
| taiwan | | mammalian orthoreovirus | species | 0 | 1 |
| taiwan | | mammalian orthoreovirus 1 | no rank | 11 | 0 |
| taiwan | | mammalian orthoreovirus 2 | no rank | 12 | 0 |
| taiwan | | mammalian orthoreovirus 3 | no rank | 3 | 0 |
| taiwan | taiwan municipality | mammalian orthoreovirus 2 | no rank | 90 | 0 |
| united kingdom | | mammalian orthoreovirus 3 | no rank | 3 | 0 |
| united states | | mammalian orthoreovirus | species | 98 | 0 |
| united states | | mammalian orthoreovirus 1 | no rank | 5 | 0 |
| united states | | mammalian orthoreovirus 2 | no rank | 12 | 0 |
| united states | | mammalian orthoreovirus 3 | no rank | 18 | 0 |
| united states | | mammalian orthoreovirus 3 dearing | no rank | 10 | 0 |
| united states | | mammalian orthoreovirus 5 | isolate | 10 | 0 |
| united states | district of columbia | mammalian orthoreovirus 2 d5/jones | no rank | 1 | 0 |
| united states | iowa | mammalian orthoreovirus 1 lang | no rank | 1 | 0 |
| united states | north carolina | mammalian orthoreovirus 3 | no rank | 20 | 0 |
| united states | ohio | mammalian orthoreovirus 1 lang | no rank | 1 | 0 |
| united states | ohio | mammalian orthoreovirus 2 d5/jones | no rank | 1 | 0 |
| united states | ohio | mammalian orthoreovirus 3 dearing | no rank | 1 | 0 |
| united states | pennsylvania | mammalian orthoreovirus | species | 20 | 0 |
| zambia | | mammalian orthoreovirus | species | 30 | 0 |