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All data updated Wednesdays at 4PM except holidays, unless otherwise noted.
Weekly updates provide a better and more accurate picture because of delays in data collection and reporting. Some data sources do not provide daily updates.
Alert Level 4: Purple
Widespread outbreak. Take strong measures to limit all contact. Only leave home for supplies and services. About alert levels
Last updated . Data source: CDC COVID-19 Data Tracker and Franklin County Department of Health. Data shown above for total cases per capita excludes cities of Columbus and Worthington while weekly test positivity, test volume per capita, and hospital beds occupied by COVID-19 patients includes them.
Updated M, W, F at 4 P.M. except holidays. ODH updates their numbers at 2 pm everyday and may not include our case counts at this time. For state case count, go to https://coronavirus.ohio.gov.
| Confirmed Cases | |
| Probable Cases | |
| Asymptomatic Cases | |
| Total Cases | |
| Symptom Onset Date Range |
| Hospitalizations | |
| Deaths | |
| Cases, Males | |
| Cases, Females | |
| Age Range |
Beginning in mid-October, the decrease in percent of cases linked to another known COVID-19 case is likely caused by the surge in virus spread and subsequent increase of cases in the community. When community-wide spread increases and numbers of new cases exceed the capacity to investigate cases, knowing if a person with COVID-19 is linked to another person with COVID-19 decreases.
What to look for: High percentages are good, and 80% or greater is best. Note that the measures for the most recent 4 weeks tend to be less accurate because of delayed information reporting and collection.
What to look for: The goal is to have greater than 80% of tests reporting results to public health within 48 hours. When test results take more than 48 hours to report, the effectiveness of helping people with COVID-19 and people they may have infected decreases. Note that the measures for the most recent 4 weeks tend to be less accurate because of delayed information reporting and collection.
What to look for: An increase in the number of people visiting the emergency department with symptoms of COVID-19 foreshadows an increase of people who will be diagnosed COVID-19. Note that the measures for the most recent 4 weeks tend to be less accurate because of delayed information reporting and collection.
Note that the measures for the most recent 4 weeks tend to be less accurate because of delayed information reporting and collection.
Note that the measures for the most recent 4 weeks tend to be less accurate because of delayed information reporting and collection.
Note that the measures for the most recent 4 weeks tend to be less accurate because of delayed information reporting and collection.
Cases by race and ethnicity are updated as additional data are available. Race and ethnicity categories will not align exactly with population totals because of incomplete data.
What to look for: Significant differences between the “% of all cases” and “% of population” for each race/age group indicate potential inequities in how the disease is being contracted and/or treated. For example, if 50% of all cases are among whites but whites are 75% of the population, then the data indicate non-white people are likely impacted more from COVID-19. Note that the measures for the most recent 4 weeks tend to be less accurate because of delayed information reporting and collection.
Alert-level systems provide a framework to support clear decision-making, improve accountability and communicate with the public to increase healthy behavior change. Learn more about indicators.
Alert Level 4: Purple
Very High Risk
Widespread outbreak that is growing with many undetected cases. Take strong measures to limit all contact. Only leave home for supplies and services.
Alert Level 3: Red
High Risk
Many cases including community spread, with undetected cases likely. Limit everyday activities as much as possible.
Alert Level 2: Orange
Moderate Risk
Increased number of cases with most cases from a known source. Increase efforts to limit personal exposure.
Alert Level 1: Yellow
Lower Risk
Cases are rare and contact tracing can be used to control the virus. Take everyday precautions.
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