Question: What disease was Kyle Broflovski infected with by one of his three friends?

full_context: Document 1: South Park: South Park is an American adult animated sitcom created by Trey Parker and Matt Stone and developed by Brian Graden for the Comedy Central television network. The show revolves around four boys—Stan Marsh, Kyle Broflovski, Eric Cartman, and Kenny McCormick—and their bizarre adventures in and around the titular Colorado town. Much like "The Simpsons", "South Park" uses a very large ensemble cast of recurring characters and became infamous for its profanity and dark, surreal humor that satirizes a wide range of topics towards a mature audience.
Document 2: Butters Stotch: Leopold "Butters" Stotch is a fictional character in the animated television series "South Park". He is voiced by series co-creator Matt Stone and loosely based on co-producer Eric Stough. He is a third- then fourth-grade student at the fictional South Park Elementary School. Butters is depicted as more cheerful, sweet, naive, optimistic, gullible, and passive compared to the show's other child characters and can become increasingly anxious, especially when faced with the likelihood of being punished, which is usually just being grounded, of which he is extremely terrified. As a result, he is often sheltered and unknowledgeable of some of the suggestive content his peers understand, and is also frequently the victim of abuse and manipulation by Eric Cartman. His name is a play on the confection butterscotch.
Document 3: Eric Cartman: Eric Theodore Cartman, often referred to as just Cartman, is a main character in the animated television series "South Park", created by Matt Stone and Trey Parker, and voiced by Trey Parker. Cartman, generally referred to by his surname, is one of four central characters in "South Park", along with his friends Stan Marsh, Kyle Broflovski, and Kenny McCormick. Cartman first appeared, originally named Kenny, in prototypical form in a 1992 animated short "Jesus vs. Frosty", and a 1995 animated short "Jesus vs. Santa", and first appeared on television in the pilot episode of "South Park", "Cartman Gets an Anal Probe", on August 13, 1997.
Document 4: List of South Park episodes: "South Park" is an American animated television sitcom created by Trey Parker and Matt Stone for Comedy Central that debuted on August 13, 1997. The series originated from a pair of animated shorts titled "The Spirit of Christmas", and the first episode of "South Park" originally aired on August 13, 1997 on Comedy Central. Intended for mature audiences, the show has become infamous for its crude language and dark, surreal humor that lampoons a wide range of topics. The story revolves around four boys—Stan Marsh, Kyle Broflovski, Eric Cartman, and Kenny McCormick—and their bizarre adventures in and around the eponymous Colorado town.
Document 5: South Park (season 1): The first season of the animated television series "South Park" ran for 13 episodes from August 13, 1997 to February 25, 1998 on the American network Comedy Central. The creators Trey Parker and Matt Stone wrote most of the season's episodes; Dan Sterling, Philip Stark and David Goodman were credited with writing five episodes. The narrative revolves around four children—Stan Marsh, Kyle Broflovski, Eric Cartman and Kenny McCormick—and their unusual experiences in the titular mountain town.
Document 6: South Park (season 8): Season eight of "South Park", an American animated television series created by Trey Parker and Matt Stone, began airing on March 17, 2004. The eighth season concluded after 14 episodes on December 15, 2004, and was written and directed by Trey Parker. The season deals with various topics that were relevant at the time of release. The episodes portray a spectrum of topics, from effect of large scale retails corporations to immigration.
Document 7: Starvin' Marvin (South Park): "Starvin' Marvin" is the eighth episode in the first season of the American animated television series "South Park". It first aired on Comedy Central in the United States on November 19, 1997. In the episode, Cartman, Kenny, Kyle and Stan send money to an African charity hoping to get a sports watch, but are instead sent an Ethiopian child whom they dub "Starvin' Marvin". Later, Cartman is accidentally sent to Ethiopia, where he learns activist Sally Struthers is hoarding the charity's food for herself. In an accompanying subplot, after genetically engineered turkeys attack South Park residents, Chef rallies the residents to fight back, in a parody of the film "Braveheart".
Document 8: Kyle Broflovski: Kyle Broflovski (sometimes spelled Kyel Broflovski, Broslovski, Broslofski, Brovlofski or Broflofski) is a main character in the Comedy Central series "South Park". He is voiced by and loosely based on co-creator Matt Stone. Kyle is one of the show's four central characters, along with his friends Stan Marsh, Kenny McCormick, and Eric Cartman. He debuted on television when "South Park" first aired on August 13, 1997, after having first appeared in "The Spirit of Christmas" shorts created by Stone and long-time collaborator Trey Parker in 1992 ("Jesus vs. Frosty") and 1995 ("Jesus vs. Santa").
Document 9: T.M.I. (South Park): "T.M.I." is the fourth episode of the fifteenth season of the American animated television series "South Park", and the 213th episode of the series overall. "T.M.I." premiered in the United States on Comedy Central on May 18, 2011. The episode centers on Eric Cartman being sent to an anger management class after he protests what he mistakenly believes to be the school's publicizing the male students' penis sizes. "T.M.I." was written and directed by series co-creator Trey Parker, and was rated TV-MA-L in the United States.
Document 10: Tonsil Trouble: "Tonsil Trouble" is the first episode in the twelfth season of the American animated television series "South Park", and the 168th episode of the series overall. Written and directed by series co-creator Trey Parker, it first aired on Comedy Central in the United States on March 12, 2008. In the episode, Cartman contracts HIV during a blood-transfusion. When Kyle laughs at Cartman's misfortune, Cartman intentionally infects Kyle with his disease as well.
Document 11: Cartman Gets an Anal Probe: "Cartman Gets an Anal Probe" is the first episode of the American animated television series "South Park". It first aired on Comedy Central in the United States on August 13, 1997. The episode introduces child protagonists Eric Cartman, Kyle Broflovski, Stan Marsh and Kenny McCormick, who attempt to rescue Kyle's younger brother Ike from being abducted by aliens.
Document 12: Stan Marsh: Stanley Randall "Stan" Marsh is the protagonist of the animated television series "South Park". He is voiced by and loosely based on series co-creator Trey Parker. Stan is one of the show's four central characters, along with his friends Kyle Broflovski, Kenny McCormick and Eric Cartman. He debuted on television when "South Park" first aired on August 13, 1997, after having first appeared in "The Spirit of Christmas" shorts created by Parker and long-time collaborator Matt Stone in 1992 ("Jesus vs. Frosty") and 1995 ("Jesus vs. Santa").
Document 13: Kenny McCormick: Kenneth "Kenny" McCormick is a main character in the animated adult television series "South Park", along with his friends Stan Marsh, Kyle Broflovski, and Eric Cartman. His oft-muffled and indiscernible speech—the result of his parka hood covering his mouth—is provided by co-creator Matt Stone. He debuted on television when "South Park" first aired on August 13, 1997, after having first appeared in "The Spirit of Christmas" shorts created by Stone and long-time collaborator Trey Parker in 1992 ("Jesus vs. Frosty") and 1995 ("Jesus vs. Santa").
Document 14: South Park (season 12): The twelfth season of "South Park", an American animated television series created by Trey Parker and Matt Stone, began airing on March 12, 2008. The twelfth season concluded after 14 episodes on November 19, 2008. "Saturday Night Live" cast member Bill Hader is credited as a consultant starting with this season. Parker was the director and writer in this twelfth season. Stone was also the writer on the third episode of the twelfth season.
Document 15: Breast Cancer Show Ever: "Breast Cancer Show Ever" is the ninth episode in the twelfth season of the American animated television series "South Park". The 176th episode of the series overall, it originally aired on Comedy Central in the United States on October 15, 2008. The episode was written and directed by series co-creator Trey Parker. In the episode, Cartman's disrespectful behavior puts him on the wrong side of Wendy Testaburger when he mocks her presentation on breast cancer awareness.
ground_truth: HIV