Health surveillance during the Sydney 2000 Olympic and Paralympic Games.

THE SYDNEY 2000 OLYMPIC AND PARALYMPIC GAMES By the time the Olympic Games began, over 11,300 athletes and 5,100 officials from 200 countries had arrived in Sydney. Over the Games period, a succession of mass gatherings took place, including the Olympic Opening and Closing Ceremonies. The latter event saw 110,000 spectators and thousands of athletes at Stadium Australia, and an estimated 1,000,000 people gather in the city centre and along harbour foreshores. Other Olympic-related activities, such as the Olympic Live Sites and the men’s and women’s marathons, saw large numbers of people gathered in the city centre, in addition to the 400,000 people who visited the Sydney Olympic Park precinct daily.