virus A Ribgrass mosaic virus Rice black streaked dwarf virus Rice dwarf virus Rice gall dwarf virus Rice grassy stunt tenuivirus Rice hoja blanca tenuivirus Rice latent virus 1 Rice latent virus 2 Rice necrosis mosaic virus Rice ragged stunt virus Rice stripe mosaic cytorhabdovirus Rice stripe necrosis virus Rice stripe tenuivirus Rice tungro bacilliform virus Rice tungro spherical virus Rice yellow mottle virus Rice yellow stunt alphanucleorhabdovirus Rift Valley fever phlebovirus Rinderpest morbillivirus Rio Bravo virus Rio Chico almendravirus Rio Grande phlebovirus Rio Negro virus Rio Preto da Eva pacuvirus Riverside ohlsrhavirus Rochambeau curiovirus Rockport orthohantavirus Rodent associated circovirus 1 Rodent associated circovirus 2 Rodent associated circovirus 3 Rodent associated circovirus 4 Rodent associated circovirus 5 Rodent associated circovirus 6 Rodent associated circovirus 7 Rodent associated cyclovirus 1 Rodent associated cyclovirus 2 Rodent bocaparvovirus 1 Rodent bocaparvovirus 2 Rodent chaphamaparvovirus 1 Rodent chaphamaparvovirus 2 Rodent dependoparvovirus 1 Rodent dependoparvovirus 2 Rodent erythroparvovirus 1 Rodent protoparvovirus 1 Rodent protoparvovirus 2 Rodent protoparvovirus 3 Rohelivirus A Rosa rugosa leaf distortion virus Rosavirus A Rosavirus B Rosavirus C Rose leaf curl betasatellite Rose leaf curl virus Rose leaf rosette-associated virus Rose rosette emaravirus Rose spring dwarf-associated virus Rose yellow mosaic virus Rose yellow vein virus Rosellinia necatrix betaendornavirus 1 Rosellinia necatrix megabirnavirus 1 Rosellinia necatrix partitivirus 2 Rosellinia necatrix quadrivirus 1 Rosellinia necatrix victorivirus 1 Rosellinia necatrix virus 1 Roseobacter virus RDJL1 Roseobacter virus RDJL2 Roseobacter virus SIO1 Ross River virus Rotavirus A Rotavirus B Rotavirus C Rotavirus D Rotavirus F Rotavirus G Rotavirus H Rotavirus I Rotavirus J Rotifer birnavirus Rottboellia yellow mottle virus Rotterdam reptarenavirus Roundleaf bat hepatitis B virus Rous sarcoma virus Rousettus aegyptiacus polyomavirus 1 Rousettus bat coronavirus GCCDC1 Rousettus bat coronavirus HKU9 Royal Farm virus Rubella virus Rubus canadensis virus 1 Rubus yellow net virus Rudbeckia flower distortion virus Rukutama uukuvirus Ryegrass cryptic virus Ryegrass mosaic virus Ryegrass mottle virus Ryukyu mammarenavirus S Sabo orthobunyavirus Saboya virus Sacbrood virus Saccharomyces 20S RNA narnavirus Saccharomyces 23S RNA narnavirus Saccharomyces cerevisiae Ty1 virus Saccharomyces cerevisiae Ty2 virus Saccharomyces cerevisiae Ty3 virus Saccharomyces cerevisiae Ty4 virus Saccharomyces cerevisiae Ty5 virus Saccharomyces cerevisiae virus L-A Saccharomyces cerevisiae virus LBCLa Saccharum streak virus Saffron latent virus Saguaro cactus virus Saguinine gammaherpesvirus 1 Saimiri boliviensis polyomavirus 1 Saimiri sciureus polyomavirus 1 Saimiriine alphaherpesvirus 1 Saimiriine betaherpesvirus 4 Saimiriine gammaherpesvirus 2 Saint Floris phlebovirus Saint Louis encephalitis virus Saint Valerien virus Sakhalin orthonairovirus Sakobuvirus