Interactive Map: The Ohio COVID-19 Advisory System



COVID-19 cases continue to rise in the state of Ohio.

State officials said Thursday that hospital stays are on the rise across the state of Ohio.

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“It is clear that Ohio and the nation are suffering another wave of COVID-19,” said chief medical officer Dr. Bruce Vanderhoff. “This time it’s powered by new variants of the original virus. The variants are more contagious and deadly.”

a screenshot of a mobile phone: level 1

Level 1

The number of variants rose from 92 on March 12 to 797 on Thursday, Vanderhoff said. That’s a doubling time of roughly every 9 to 10 days.

“Ohio continues to be in a very important race against the virus and its variants. We can win the race if we continue to mask consistently and get the vaccine,” he added.

Franklin County has been moved to the state’s “watchlist,” meaning it’s moving towards purple. Governor Mike DeWine said the county has seen a sustained surge in cases and health care use from the virus in the county recently.

Putnam County changes from orange to red.

Carroll, Mercer, and Morgan counties go from yellow to orange, while Brown and Noble counties go from orange to yellow.

a screenshot of a cell phone: level 2

Level 2

Below is an interactive map showing where each district is located. The following map is correct as of April 8th.


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YELLOW: Alert level 1: A county has raised zero or one of the seven indicators and there is active exposure and spread.

ORANGE: ALARM LEVEL 2: A county has triggered two or three of the seven indicators and the risk of exposure and spread is increased.

RED: ALARM LEVEL 3: One county raised four or five of the seven indicators and the exposure and spread is very high.

PURPLE: Alert level 4: One county raised six to seven of the indicators and there is high exposure and spread. Stay home as often as possible.

There are seven different data indicators to help determine the four levels, state officials said. Each data indicator helps identify the risk factor for each state. These seven factors are as follows:

  1. NEW CASES PER KAPITA: If the data shows that a county had an average of 50 cases per 100,000 residents over a two-week period, that triggers a flag for a rising case rate. Using this data means we consider a county’s population as the surveillance of cases increases
  2. SUSTAINABLE INCREASE IN NEW CASES: When the number of new cases in a county continues to grow, this is another indicator of the spread of viruses. A county is marked for meeting this indicator when the data shows a period of at least five days for continued growth in new cases.
  3. DISTRIBUTION OF CASES THAT DO NOT CONGREGATE CASES: Data showing that more than 50% of new cases that have come from non-congregated environments in at least one of the past three weeks will trigger a flag for this indicator.
  4. SUSTAINABLE INCREASE IN ER VISITS: ER data shows us the trend in the number of people who visit an emergency room with COVID-19 symptoms or a diagnosis of COVID-19 as a result of the visit. A district is marked when the number of such emergency doctor visits increases over a period of five days.
  5. SUSTAINABLE INCREASE IN EXCEPTIONAL VISITS: This dataset examines the number of people who visit outpatient facilities, including telemedicine appointments, with suspected or confirmed COVID-19 symptoms. A county is marked when there is an increase over a period of five days.
  6. SUSTAINABLE INCREASE IN NEW COVID-19 HOSPITAL APPROVALS: If the numbers indicate a period of at least five days for continued growth in the number of residents of the county with COVID-19 hospitalized, the county will be marked for meeting this indicator.
  7. BED GUIDED IN THE ICU: This indicator takes into account regional data for both the use of ICU beds due to COVID-19 and non-COVID-19. A district is marked for this indicator if the regional intensive occupancy is over 80% in at least three of the last seven days.

a screenshot of a cell phone: level 3

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level 3

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a screenshot of a cell phone: level 4

Level 4

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