Communicable Disease Service

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.

• COVID-19 Activity Report Week 23 (MMWR week ending June 12, 2021)
• COVID-19 Activity Report Week 22 (MMWR week ending June 5, 2021)
• COVID-19 Activity Report Week 21 (MMWR week ending May 29, 2021)
• COVID-19 Activity Report Week 20 (MMWR week ending May 22, 2021)
• COVID-19 Activity Report Week 19 (MMWR week ending May 15, 2021)
• COVID-19 Activity Report Week 18 (MMWR week ending May 8, 2021)
• COVID-19 Activity Report Week 17 (MMWR week ending May 1, 2021)
• COVID-19 Activity Report Week 16 (MMWR week ending April 24, 2021)
• COVID-19 Activity Report Week 15 (MMWR week ending April 17, 2021)
• COVID-19 Activity Report Week 14 (MMWR week ending April 10, 2021)
• COVID-19 Activity Report Week 13 (MMWR week ending April 3, 2021)
• COVID-19 Activity Report Week 12 (MMWR week ending March 27, 2021)
• COVID-19 Activity Report Week 11 (MMWR week ending March 20, 2021)
• COVID-19 Activity Report Week 10 (MMWR week ending March 13, 2021)
• COVID-19 Activity Report Week 9 (MMWR week ending March 6, 2021)
• COVID-19 Activity Report Week 8 (MMWR week ending February 27, 2021)
• COVID-19 Activity Report Week 7 (MMWR week ending February 20, 2021)
• COVID-19 Activity Report Week 6 (MMWR week ending February 13, 2021)
• COVID-19 Activity Report Week 5 (MMWR week ending February 6, 2021)
• COVID-19 Activity Report Week 4 (MMWR week ending January 30, 2021)
• COVID-19 Activity Report Week 3 (MMWR week ending January 23, 2021)
• COVID-19 Activity Report Week 2 (MMWR week ending January 16, 2021)
• COVID-19 Activity Report Week 1 (MMWR week ending January 9, 2021)
• COVID-19 Activity Report Week 53 (MMWR week ending January 2, 2021)
• COVID-19 Activity Report Week 52 (MMWR week ending December 26, 2020)
• COVID-19 Activity Report Week 51 (MMWR week ending December 19, 2020)
• COVID-19 Activity Report Week 50 (MMWR week ending December 12, 2020)
• COVID-19 Activity Report Week 49 (MMWR week ending December 5, 2020)
• COVID-19 Activity Report Week 48 (MMWR week ending November 28, 2020)
• COVID-19 Activity Report Week 47 (MMWR week ending November 21, 2020)
• COVID-19 Activity Report Week 46 (MMWR week ending November 14, 2020)
• COVID-19 Activity Report Week 45 (MMWR week ending November 7, 2020)
• COVID-19 Activity Report Week 44 (MMWR week ending October 31, 2020)
• COVID-19 Activity Report Week 43 (MMWR week ending October 24, 2020)
• COVID-19 Activity Report Week 42 (MMWR week ending October 17, 2020)
• COVID-19 Activity Report Week 41 (MMWR week ending October 10, 2020)
• COVID-19 Activity Report Week 40 (MMWR week ending October 3, 2020)
• COVID-19 Activity Report Week 39 (MMWR week ending September 26, 2020)
• COVID-19 Activity Report Week 38 (MMWR week ending September 19, 2020)
• COVID-19 Activity Report Week 37 (MMWR week ending September 12, 2020)
• COVID-19 Activity Report Week 36 (MMWR week ending September 5, 2020)
• COVID-19 Activity Report Week 35 (MMWR week ending August 29, 2020)
• COVID-19 Activity Report Week 34 (MMWR week ending August 22, 2020)
• COVID-19 Activity Report Week 33 (MMWR week ending August 15, 2020)
• COVID-19 Activity Report Week 32 (MMWR week ending August 8, 2020)

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.

• COVID-19 Variant Surveillance Report Week 22 (MMWR week ending May 29, 2021)
• COVID-19 Variant Surveillance Report Week 21 (MMWR week ending May 22, 2021)
• COVID-19 Variant Surveillance Report Week 20 (MMWR week ending May 15, 2021)
• COVID-19 Variant Surveillance Report Week 18 (MMWR week ending May 8, 2021)