Credit: TUHSD Sterling said initial contact tracing began on Monday when the administration was notified that there were positive cases at Desert Vista. Contract tracing found: Six 16 additional players have been quarantined (due to exposure to those original six) 105 students across Desert Vista's varsity and junior varsity teams are impacted by the pause in activity A pause in activity applies to athletics, according to the Arizona Interscholastic Association, which means no meetings, practice, games or scrimmages. AIA guidelines advise that if a team experiences three or more positive COVID-19 cases, there should be a pause in activity. Practice is anticipated to resume on Monday, August 9, Sterling said. Official practices at large high schools in Arizona do not start until Monday.