World ยป US ยป California ยป Contra Costa

1,153,526 pop; 980,071 (85%) vacc, 295,633 (26%) pos, 1,559 (0.14%) deaths as of 2023-03-09

Closing and Reopening policy changes

2020-08-31
๐ŸŸฃ
Entered Purple tier (Widespread)
2020-09-28
๐Ÿ”ด
Entered Red tier (Substantial)
2020-10-26
๐ŸŸ 
Entered Orange tier (Moderate)
2020-11-09
๐ŸŸฃ
Entered Purple tier (Widespread)
2021-03-08
๐Ÿ”ด
Entered Red tier (Substantial)
2021-04-05
๐ŸŸ 
Entered Orange tier (Moderate)
2021-06-15
๐ŸŸข
Reopening

Sources: Biobot Analytics, 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