01 / The world before
An emerging illness had no identified cause.
02 / The discovery
Researchers identified HIV and enabled targeted diagnostics.
03 / The people
Barré-Sinoussi, Montagnier and many clinical and laboratory teams.
04 / The obstacles
Stigma, unequal access and a long development path complicated care.
05 / The world after
A virological target made treatment research possible.
06 / Why it still matters
Surveillance, testing and access remain crucial.