- rowid: 151222 'Unnamed: 0': 26.0 school: 49TH ST EL status: OPEN color: green staff_student: 1 transmission: 0 testing_period: Past 7 days (4/11/2022 - 4/17/2022) tests: '4.0' pos: '0' pos_rate: '0.00' change: '0.00' cos: Historic Central AvenueCoS cos_tests: '189.0' cos_pos: '2' cos_pos_rate: '1.06' cos_change: '0.93' lausd_tests: 10,096 lausd_pos: '264' lausd_pos_rate: '2.61' lausd_change: 2.39 date: '2022-04-18' time: 10:00PM staff_student_rate: '' community_rate: '' lac_rate: '' community_schools: '' community: ''