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258,826 pop; 240,551 (93%) vacc, 54,908 (21%) pos, 317 (0.12%) deaths as of 2023-03-09

Closing and Reopening policy changes

2020-09-08
🟣
Entered Purple tier (Widespread)
2020-09-14
🔴
Entered Red tier (Substantial)
2020-10-26
🟣
Entered Purple tier (Widespread)
2020-11-16
🔴
Entered Red tier (Substantial)
2020-12-07
🟣
Entered Purple tier (Widespread)
2021-02-22
🔴
Entered Red tier (Substantial)
2021-03-22
🟠
Entered Orange tier (Moderate)
2021-05-31
🟡
Entered Yellow tier (Minimal)
2021-06-15
🟢
Reopening

Sources: Cal-SuWers Network, California Blueprint Data Chart, Google Community Mobility Reports, HealthData.gov, JHU COVID Resource Center, Sewer Coronavirus Alert Network, US CDC COVID Data Tracker