Question: What disease was Kyle Broflovski infected with by one of his three friends?
Related documents: [0]  [DOC] "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. [END] 
[1]  [DOC] 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"). [END] 
Answer: 
HIV
HIV