| cameroon | | mammalian orthoreovirus 2 | no rank | 1 | 0 |
| canada | | reovirus sp. t2w | no rank | 4 | 0 |
| china | | mammalian orthoreovirus 2 | no rank | 15 | 0 |
| france | | mammalian orthoreovirus 2 | no rank | 10 | 0 |
| germany | | mammalian orthoreovirus 2 | no rank | 10 | 0 |
| japan | osaka prefecture | mammalian orthoreovirus 2 | no rank | 30 | 0 |
| japan | yamaguchi prefecture | mammalian orthoreovirus 2 | no rank | 10 | 0 |
| taiwan | | mammalian orthoreovirus 2 | no rank | 12 | 0 |
| taiwan | taiwan municipality | mammalian orthoreovirus 2 | no rank | 13 | 0 |
| united states | | mammalian orthoreovirus 2 | no rank | 2 | 0 |
| united states | district of columbia | mammalian orthoreovirus 2 d5/jones | no rank | 1 | 0 |
| united states | ohio | mammalian orthoreovirus 2 d5/jones | no rank | 1 | 0 |