Question: The films Ring and The Ring Virus fall under which genre?
Context: Ring (リング , Ringu ) is a Japanese mystery horror novel by Koji Suzuki first published in 1991, and set in modern-day Japan.  It was the basis for a 1995 film (""), a television series (""), a film of the same name (1998's "Ring"), and two remakes of the 1998 film: a South Korean version ("The Ring Virus"), an American version ("The Ring"), and The Ring's sequel, Rings. Lactimidomycin is a glutarimide antibiotic derived from the bacteria "Streptomyces amphibiosporus".  It has antifungal, antiviral and anti-cancer properties, acting as a direct inhibitor of protein translation in ribosomes. Antiviral activity is seen against a variety of RNA viruses including flaviviruses such as dengue fever, Kunjin virus and Modoc virus, as well as vesicular stomatitis virus and poliovirus.  As lactimidomycin is a natural product containing an unusual unsaturated 12-membered lactone ring, it has been the subject of numerous total synthesis approaches. Tomato black ring virus (TBRV) is a plant pathogenic virus of the family "Secoviridae" infecting several hosts including potato, almond, caneberry, strawberry, peach and nectarine, grapes and "Narcissus. The Ring Virus () is a South Korean horror film adapted from the Japanese novel "Ring" by Koji Suzuki.  A joint project between Japan and Korea, this version has Park Eun-Suh as the creator of the cursed videotape.  Although the filmmakers claimed that the film was adapted from the novel, there are various scenes in the film that match the 1998 film "Ring", such as the sex of the lead character, some of the scenes on the videotape as well as copying other film scenes directly from the original film, including the film's climax. "Cacao necrosis virus" (CNV) is a plant pathogenic virus of the genus "nepovirus" that infects "Theobroma cacao" en natura causing cacao necrosis disease.  CNV is considered synonymous with Strain S of cacao swollen shoot virus.  Unlike cacao swollen-shoot virus, it is not transmitted by mealybugs nor vectored by aphids, beetles or leafhoppers that also commonly infest cacao.  It is serologically, distantly related to Tomato black ring virus and very distantly related to Hungarian Chrome Mosaic virus. This article lists the characters who have appeared in the Japanese Ring films, based on a series of novels written by Koji Suzuki.  The series is made up of "Ring", "Rasen", "Ring 2", "" and "Sadako 3D".  The films have also been adapted into the Korean film "The Ring Virus", and the American series "The Ring", "Rings" (2005), "The Ring Two" and "Rings" (2017).  In television the first novel has been adapted into the television film as well as a 12 episode series.  A follow up series, Rasen was also made. Kong Su-chang (born 1961) is a South Korean film director and screenwriter.  Kong started as a screenwriter and is behind hits such as "White Badge" (1992), "The Ring Virus" (1999) and "Tell Me Something" (1999).  He debuted with the military-themed "R-Point" (2004), and then "The Guard Post" in 2008. Ring (リング , Ringu ) is a 1998 Japanese psychological horror film directed by Hideo Nakata, adapted from the novel "Ring" by Kôji Suzuki, which in turn draws on the Japanese folk tale Banchō Sarayashiki.  The film stars Nanako Matsushima, Hiroyuki Sanada, and Rikiya Ōtaka.  The film is centered around a reporter who is on the run to investigate the mystery behind a cursed videotape that kills the viewer 7 days after watching it. "Prunus necrotic ringspot virus" (PNRSV) is a plant pathogenic virus causing ring spot diseases affecting species of the genus "Prunus", as well as other species such as rose ("Rosa" spp.)  and hops ("Humulus lupulus").  PNRSV is found worldwide due to easy transmission through plant propagation methods and infected seed.  The virus is in the family "Bromoviridae" and genus "Ilarvirus".  Synonyms of PNRSV include European plum line pattern virus, hop B virus, hop C virus, plum line pattern virus, sour cherry necrotic ringspot virus, and peach ringspot virus. Carnation etched ring virus (CERV) is a plant pathogenic virus of the family Caulimoviridae.
Answer: horror film