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Luc Montagnier, a French virologist who won a Nobel Prize for his discovery of the human immunodeficiency virus (HIV), died on February 8, 2022, at the age of 89. Montagnier made his discovery in 1983, while working at the Pasteur Institute in Paris. He shared the Nobel Prize in Physiology or Medicine with Françoise Barré-Sinoussi and Robert Gallo in 2008.