LA TOUR-DU-PIN, France (AP) -- The remaining 156 Tour de France riders were authorized to keep racing on Tuesday after the latest coronavirus tests. All 785 tests on Sunday and Monday of riders and staff members of the 22 teams returned negative, Tour organizers and cycling governing body the UCI announced before Stage 16 in the Alps. Anyone who tests positive has to leave the race - which affected race director Christian Prudhomme last week - and any team with two or more positive tests within seven days also has to abandon.