Lord Mayor Treloar College in Hampshire, founded in 1907 for the education and care of physically disabled children, was more than just a school. When Ade Goodyear was there in the early 1980s, the teaching and medical staff seemed like an extended family. Dr Anthony Aronstam, director of the college’s haemophilia centre – the condition for which Goodyear was receiving treatments derived from processed blood – would invite Goodyear and his schoolfriends over to Aronstam’s house: the boys would drink lemonade and swim in the pool. One summer afternoon in 1984, however, Goodyear found Aronstam bent over his desk and trembling. “We’ve f----d up,” Aronstam said. “I’ve messed up. It’s all gone wrong.” In the face of a gathering global calamity, Aronstam had been assessing Goodyear, without his knowledge, for signs of Aids. Two of Goodyear’s peers had been diagnosed; one had already died.…