I object to a legal approach when settling questions of science or scientific behavior.
Axiomatization is what one does last, it's rubbish. It's the hygiene of mathematics, axiomatization.
There exist thousands of Americans who have AIDS-defining diseases but are HIV negative.
They cannot count on the press and they cannot count on Congressional committees to bring the problems of the scientific community to their own attention, or to police the scientific community.
Of course, there are diseases of which people die.
Originally, in the early eighties, the drug hypothesis was among the first which occurred to scientists.