How the 1987 AIDS campaign 'Don't Die of Ignorance' transformed social attitudes.
Julian O'Halloran investigates claims about the causes of the swine flu virus.
Should a patient be tested for HIV to determine whether someone else may be infected?
Jim Al-Khalili in conversation with Dr Jeremy Farrar, director of the Wellcome Trust.
Dr Mark Porter examines the outbreak of swine flu.
How the NHS responded to a new fatal disease, Aids, in the 1980s.
Can we predict the next deadly pandemic? Alok Jha investigates.