Omicron continues to skyrocket in Colorado; state’s positivity rate soars over 28%, incidence rates surge

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DENVER (KDVR) — Colorado continues to see a dramatic rise in omicron COVID-19 cases. Over the last week, nearly every county in the state saw a rise in positivity.

As of Monday, the state’s 7-day positivity rate was 28.51%, which is up from 23.99% last week. Positivity rate measures the amount of COVID positive tests to the total amount of tests taken.

Over the last seven days, 57 counties saw a rise in COVID-19 positivity, six counties saw a very slight decrease in positivity, and one county had fewer then 10 tests over the past week.

The highest positivity rate in the state over the past seven days is Lake County with 44.6% positivity.

According to the Colorado Department of Public Health and Environment, the incidence rates increased over the last week.

Here’s a look at positivity rates for every county over the last seven days:

One-week positivity rate:

  • Adams: 34.5% (up from last week)
  • Alamosa: 14.8 (up from last week)
  • Arapahoe: 31.7 (up from last week)
  • Archuleta: 27.3% (up from last week)
  • Baca: 3.8% (up from last week)
  • Bent: 8.6% (up from last week)
  • Boulder: 24.1% (up from last week)
  • Broomfield: 28% (up from last week)
  • Chaffee: 26.6% (up from last week)
  • Cheyenne: 5% (up from last week)
  • Clear Creek: 33.7%(up from last week)
  • Conejos: 18.2% (up from last week)
  • Costilla: 20.9% (up from last week)
  • Crowley: 12.3% (up from last week)
  • Custer: 13.9% (up from last week)
  • Delta: 14.7% (up from last week)
  • Denver: 28.1% (up from last week)
  • Dolores: 12.9% (up from last week)
  • Douglas: 30.4% (up from last week)
  • Eagle: 37.5% (down from last week)
  • El Paso: 31.5% (up from last week)
  • Elbert: 32.5% (up from last week)
  • Fremont: 12.8% (up from last week)
  • Garfield: 30.9% (up from last week)
  • Gilpin: 33.9% (up from last week)
  • Grand: 39.2% (up from last week)
  • Gunnison: 31.5% (up from last week)
  • Hinsdale: 30% (up from last week)
  • Huerfano: 11.6% (down from last week)
  • Jackson: 16.7 (down from last week)
  • Jefferson: 27.7 (up from last week)
  • Kiowa: 3.9% (up from last week)
  • Kit Carson: 4.8% (up from last week)
  • La Plata: 27.1% (up from last week)
  • Lake: 44.6% (up from last week)
  • Larimer: 26.2% (up from last week)
  • Las Animas: 20.2 (up from last week)
  • Lincoln: 16.2% (up from last week)
  • Logan: 7.6% (up from last week)
  • Mesa: 17.6% (up from last week)
  • Mineral: Fewer than 10 tests in the past week
  • Moffat: 24.4% (down from last week)
  • Montezuma: 22.6% (up from last week)
  • Montrose: 18.6% (up from last week)
  • Morgan: 23.3% (up from last week)
  • Otero: 10.8% (up from last week)
  • Ouray: 20.3% (up from last week)
  • Park: 34.8% (up from last week)
  • Phillips: 19.6% (up from last week)
  • Pitkin: 41% (up from last week)
  • Prowers: 14.4% (up from last week)
  • Pueblo: 25.1% (up from last week)
  • Rio Blanco: 15.5% (up from last week)
  • Rio Grande: 16% (up from last week)
  • Routt: 31% (up from last week)
  • Saguache: 18% (up from last week)
  • San Juan: 7.1% (up from last week)
  • San Miguel: 21.3% (down from last week)
  • Sedgwick: 25.7% (up from last week)
  • Summit: 36% (down from last week)
  • Teller: 22.2% (up from last week)
  • Washington: 15.6% (up from last week)
  • Weld: 29.6% (up from last week)
  • Yuma: 16.4%

What is the positivity percent?

According to Johns Hopkins Bloomberg School of Public Health, the percent positive is exactly what it sounds like: the percentage of all coronavirus tests performed that are actually positive, or: (positive tests)/(total tests) x 100%. The percent positive (sometimes called the “percent positive rate” or “positivity rate”) helps public health officials answer questions such as:

  • What is the current level of SARS-CoV-2 (coronavirus) transmission in the community?
  • Are we doing enough testing for the amount of people who are getting infected?

The percent positive will be high if the number of positive tests is too high, or if the number of total tests is too low. A higher percent positive suggests higher transmission and that there are likely more people with coronavirus in the community who haven’t been tested yet, Johns Hopkins shared.

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