By Karolos Grohmann BEIJING (Reuters) – A sharp drop in COVID-19 cases on Feb. 5 among Beijing Olympics-related personnel was due to fewer arrivals at the airport and organisers said on Sunday that they did not expect any more large fluctuations in infection numbers. China detected 10 new COVID cases among Olympic Games-related personnel on Feb. 5, the organising committee of the Games said. That was down from Feb. 4’s 45 cases – the second highest daily tally since arrivals commenced last month. Among the latest cases, four were new airport arrivals, including two athletes or team officials. …