| Rous sarcoma virus | |
|---|---|
Virus classification 
| |
| (unranked): | Virus |
| Realm: | Riboviria |
| Kingdom: | Pararnavirae |
| Phylum: | Artverviricota |
| Class: | Revtraviricetes |
| Order: | Ortervirales |
| Family: | Retroviridae |
| Genus: | Alpharetrovirus |
| Species: | Rous sarcoma virus
|
Rous sarcoma virus (RSV) (/raʊs/) is a retrovirus and is the first oncovirus to have been described. It causes sarcoma in chickens.
As with all retroviruses, it reverse transcribes its RNA genome into cDNA before integration into the host DNA.