Malvastrum yellow vein virus Malvastrum yellow vein Yunnan virus Mamastrovirus 1 Mamastrovirus 10 Mamastrovirus 11 Mamastrovirus 12 Mamastrovirus 13 Mamastrovirus 14 Mamastrovirus 15 Mamastrovirus 16 Mamastrovirus 17 Mamastrovirus 18 Mamastrovirus 19 Mamastrovirus 2 Mamastrovirus 3 Mamastrovirus 4 Mamastrovirus 5 Mamastrovirus 6 Mamastrovirus 7 Mamastrovirus 8 Mamastrovirus 9 Mamestra brassicae multiple nucleopolyhedrovirus Mamestra configurata nucleopolyhedrovirus A Mamestra configurata nucleopolyhedrovirus B Mammalian 1 orthobornavirus Mammalian 2 orthobornavirus Mammalian orthoreovirus Mammalian orthorubulavirus 5 Mammalian orthorubulavirus 6 Mandrilline betaherpesvirus 1 Manitoba hapavirus Mannheimia virus 1127AP1 Mannheimia virus PHL101 Manzanilla orthobunyavirus Maporal orthohantavirus Mapuera orthorubulavirus Maraba vesiculovirus Maracuja mosaic virus Marburg marburgvirus Marco hapavirus Mariental mammarenavirus Marine protobacilladnavirus 1 Marinomonas virus CB5A Marinomonas virus CPP1m Marituba orthobunyavirus Marseillevirus marseillevirus Maruca vitrata nucleopolyhedrovirus Mashua virus Y Mason-Pfizer monkey virus Massilia phlebovirus Mastomys natalensis polyomavirus 1 Mayaro virus Meaban virus Meadow saffron breaking virus Measles morbillivirus Mediterranean ruda virus Medjerda phlebovirus Megakepasma mosaic virus Megrivirus A Megrivirus B Megrivirus C Megrivirus D Megrivirus E Melandrium yellow fleck virus Melanoplus sanguinipes entomopoxvirus Melao orthobunyavirus Meleagrid alphaherpesvirus 1 Meles meles polyomavirus 1 Melochia mosaic virus Melochia yellow mosaic virus Melolontha melolontha entomopoxvirus Melon aphid-borne yellows virus Melon chlorotic leaf curl virus Melon chlorotic mosaic alphasatellite Melon chlorotic mosaic virus Melon mild mottle virus Melon necrotic spot virus Melon rugose mosaic virus Melon severe mosaic orthotospovirus Melon tenuivirus Melon yellow mosaic virus Melon yellow spot orthotospovirus Melon yellowing-associated virus Menangle pararubulavirus Menghai almendravirus Mengla dianlovirus Merino Walk mammarenavirus Mermet orthobunyavirus Merremia mosaic Puerto Rico virus Merremia mosaic virus Mesocricetus auratus polyomavirus 1 Mesorhizobium virus Lo5R7ANS Mesta yellow vein mosaic alphasatellite Mesta yellow vein mosaic Bahraich virus Microbacterium phage KaiHaiDragon Microbacterium phage Paschalis Microbacterium phage Quhwah Microbacterium virus Appa Microbacterium virus Armstrong Microbacterium virus Dismas Microbacterium virus Eden Microbacterium virus Eleri Microbacterium virus Fireman Microbacterium virus Golden Microbacterium virus Goodman Microbacterium virus Hamlet Microbacterium virus Hendrix Microbacterium virus Hyperion Microbacterium virus Ilzat Microbacterium virus ISF9 Microbacterium virus Koji Microbacterium virus Krampus Microbacterium virus MementoMori Microbacterium virus Metamorphoo Microbacterium virus Min1 Microbacterium virus MuffinTheCat Microbacterium virus Neferthena Microbacterium virus OneinaGillian Microbacterium virus Pikmin Microbacterium virus RobsFeet Microbacterium virus Schubert Microbacterium virus Squash Microbacterium virus Zeta1847 Microcystis virus Ma-LMM01 Microhyla letovirus 1 Micromonas pusilla reovirus Micromonas pusilla virus SP1 Microplitis croceipes bracovirus Microplitis demolitor bracovirus Microtus arvalis polyomavirus 1 Middelburg virus Middle East respiratory syndrome-related coronavirus Midway nyavirus Milk vetch dwarf alphasatellite 1 Milk vetch dwarf alphasatellite 2 Milk vetch dwarf alphasatellite 3