Data Notes for the Week of January 6, 2022

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You can find past issues on our data and dashboard page. The data below are from December 20 through January 2.

Due to record-breaking numbers of cases over the past two weeks, not all recent cases have been fully processed into our data system, and therefore certain data points such as vaccination status are not yet available for those cases. Certain segments of this snapshot, such as data by vaccination status and the Public Health measures on page two, are restricted only to cases that have been fully processed.

1.8% of Dane County tested positive with a PCR test during this period.

Cases increased during this 14-day period with an average of 695 cases per day. 1.8%—nearly 1 out of every 50 residents—of  the entire Dane County population tested positive with a PCR test during this 14-day period. The number of people hospitalized with COVID in Dane County hospitals also increased with an average of 136 people hospitalized each day.

Percent positivity is at its highest-ever level of 14.3% and an average of 4,799 tests were conducted per day. When percent positivity is so high, it means more testing is needed. If you’ve taken a home test, please report it so that we can continue to provide the most accurate testing and case data possible.

The rate of cases we’re seeing continues to show the importance of being up-to-date with your COVID-19 vaccinations.

The age-adjusted rate of cases during the 8-day period of 12/20-12/27 was 1,260.6 per 100,000 not fully vaccinated residents, which is 1.9 times higher than the rate of 655.5 per 100,000 people fully vaccinated with the initial series, and 4.3 times higher than the rate of 289.9 per 100,000 people fully vaccinated with a booster or additional dose. People vaccinated with the initial series only were 2.3 times more likely to test positive than people who received a booster or additional dose.

80.9% of all Dane County residents have received at least one dose of vaccine and 76.1% have completed the initial vaccine series. 85.4% of the eligible Dane County population (ages 5+) have received at least one dose of vaccine and 80.4% have completed the initial vaccine series.

Nearly 60% of fully vaccinated people in Dane County have gotten a booster or additional dose.

58.2% of fully vaccinated people ages 12+ and 82.8% of fully vaccinated people ages 65+ have received a booster/additional dose. People ages 65+ with a booster or additional dose have the lowest case rates out of all Dane County residents.