By falling below 7.0, high school football and water polo teams in the county won’t be required to do coronavirus testing before competitions.,Ventura County’s adjusted rate last week was 9.1.,There was a collective sigh of relief from high school football and water polo coaches last week when Los Angeles County’s adjusted rate dropped below 7.0 for the first time since the California Department of Public Health established that as a guideline for youth sports.,It happened last week when Mission Viejo had a positive test in its program and had to cancel its game against La Habra.,If a county goes up and above a rate of 7.0, the testing requirement is immediately restored for football and water polo teams.