Originally, in the early eighties, the drug hypothesis was among the first which occurred to scientists.

Questions have also arisen about AIDS being transmitted to hemophiliacs via blood transfusions.

Of course, screening for HIV did essentially eliminate the transmission of this virus by transfusions.

There exist thousands of Americans who have AIDS-defining diseases but are HIV negative.

To address questions of scientific responsibility does not necessarily imply that one needs technical competence in a particular field (e.g. biology) to evaluate certain technical matters.

Originally, in the early eighties, the drug hypothesis was among the first which occurred to scientists.

Questions have arisen about the policing of science. Who is responsible for the policing? My answer is: all of us.