GratefulFan wrote: Barbara Valentin claimed he had symptoms (a persistent growth/enlargement in his throat/neck - swollen lymph glands? ) and perhaps even a private test as far back as 1985. I remember in one biography or another an interviewer recounting meeting Fred for an interview (1985 or 1986? - pre diagnosis anyway) and being struck from across the room by his healthy, glowing appearance that belied his years - until he approached and noticed Freddies tongue covered by a shockingly thick white coating. Could have been oral thrush, which is another common early symptom of transitioning from HIV infection to AIDS. The KS that prompted the diagnosis in '87 is generally a later progression symptom, relatively speaking. Average time between infection and AIDS is about 9 years. It's my (completely speculative) belief that the 81/82 period people usually assume for infection is too late. My guess is the late 70's, in America, around the time he was with Joe F (who he probably infected, resulting in Joe's death following relatively soon after Freddie's) and that he became seriously privately worried about his health in the later Munich years and that he knew for sure (whether officially or unofficially) by the Magic Tour. The psychological burden must have been extreme for some time. It really is an amazing part of the story of his life when you realize the pressures, panic and hysteria of those years.
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http://www.youtube.com/watch?v=JMHPebRu4Qk There's the interview with an "ill" Freddie. The AIDS/thrush theory does make alot of sense, but I just looked it up, and the thrush that accompanies AIDS/HIV, strikes during the intial HIV infection stage. There's no way he could have had AIDS (let alone full-blown AIDS) during 1985!
http://en.wikipedia.org/wiki/HIV#Acute_HIV_infection Now, those symptoms that you described above completely match "acute HIV infection" (when you first get infected). I'm guessing he got infected with the virus around 1985 and the symptoms (swollen lymph nodes, thrush, etc) he showed during that interview were consistent with it.
The guy was the picture of health during the mid 80s (at least on the outside), leading me to thinking that that he didn't progress to AIDS until the mid/late 80s.