COVID-19 Weekly CALI and Variant Surveillance Reports

Weekly COVID-19 Activity Reports, 2022

The COVID-19 Weekly Activity Report provides data on COVID-19 transmission risk by six regions. This report is posted on Thursdays and uses Morbidity and Mortality Weekly Report (MMWR) dates, which are from Sunday to Saturday. MMWR dates are commonly used by the Centers for Disease Control and Prevention (CDC) to standardize weekly reporting across years.


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Weekly COVID-19 Variant Surveillance Reports, 2022

The COVID-19 Variant Surveillance Report includes the cumulative summary of all sequencing results reported by commercial labs and the Public Health and Environmental Laboratories (PHEL) that have been submitted for surveillance purposes.


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CALI Reports: 2021, 2020 

Variant Reports: 2021


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Last Reviewed: 5/19/2022