'If you come to the Tour, you hold your kid, you hold your pet and don't cross the road carelessly. And above all, you respect the riders -- they're the ones worthy of live TV.'
All team members, riders and staff had until 1100 GMT on Monday, the Tour's first rest day, to take a test in the mobile laboratory provided by organisers.
The seven Tour de France titles stripped from American cyclist Lance Armstrong should not be awarded to any other rider because the sport at that time was tainted by doping, race director Christian Prudhomme said on Friday.
'I just want to thank the whole team ... everybody it took to get to here.'
New coronavirus cases have been rising at an alarming rate in France since the beginning of the month, casting a menacing shadow over the re-scheduled 107th edition of the race.
Urge them to end 'avalanche of plastic'
Spain's Gorka Izagirre took second place and Yates finished third, 15 seconds behind.
The 22-year-old Bernal, the youngest rider to win the race in 110 years, gave Team Ineos --formerly Team Sky -- their seventh title in the last eight editions.
The Tour de France continued in a low-key but defiant mood under heightened security on Friday, with riders, spectators and race officials observing a minute's silence for the scores of victims of the Bastille Day attack in Nice.
This year's Tour de France had been advertised as an exciting battle royale between four great riders yet it panned out as an underwhelming contest as Chris Froome's rivals failed to live up to expectations.