I wouldn't say I was relaxed about the prospect, but I really wasn't in a bad way.
A connection is made between the 'mystery illness' and the immune system.
It is suggested the disease should be called Acquired Immune Deficiency Syndrome (Aids).
I think that my high fitness has really helped me deal with the treatment – I keep telling the doctors that I'm super-human!
I'm still working full time and teaching several fitness classes in the evenings and weekends, as well as cycling and running whenever I can, so couldn't be better. Arne Vidar Røed, from Norway, who was a sailor and truck driver, is thought to have contracted HIV in Cameroon in the early Sixties. Health officials realise there is a disease sweeping the gay community.
'I grew up in a small Wiltshire village called West Tytherley and it was hard to keep any secrets – so in September 1997, two months after I was diagnosed HIV-positive, I decided to stop all the gossiping and make an announcement.
The silence afterwards was deafening, so I walked to the bar and ordered a JD and coke.
Slowly friends and others from the village came up to me to give me a hug, buy me a drink and offer their support.
I was tested positive for HIV two days later at Salisbury Hospital.
While I knew it wasn't a huge deal, I also knew how other people's misconceptions needed to be changed – and I hated the idea of having to hide anything.
They knew how I had never had casual sex, I certainly never did drugs and I was very healthy and balanced in every respect – HIV can hit anyone, and I certainly shouldn't feel bad in any way for my diagnosis.
Becky Mitchell, a 40-year-old Environment Agency worker from Bristol, was diagnosed with HIV in 2012.