Influenza, Winter Olympiad, 2002

Prospective surveillance for influenza was performed during the 2002 Salt Lake City Winter Olympics. Oseltarnivir was administered to patients with influenzalike illness and confirmed influenza, while their close contacts were given oseltamivir prophylactically. Influenza A/B was diagnosed in 36 of 188 patients, including 13 athletes. Prompt management limited the spread of this outbreak.