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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.
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 |
| Indicator* | Low Transmission: Blue | Moderate Transmission: Yellow | Substantial Transmission: Orange | High Transmission: Red |
|---|---|---|---|---|
| Total new cases per 100,000 persons in the past 7 days | 0–9.99 | 10–49.99 | 50–99.99 | ≥100 |
| Percentage of NAATs1 that are positive during the past 7 days | 0–4.99% | 5–7.99% | 8–9.99% | ≥10% |
*If the two indicators suggest different transmission levels, the higher level is selected.
1NAAT remains the “gold standard” for clinical diagnostic detection of SARS-CoV-2 and includes viral testing such as Nucleic Acid Amplification Tests (NAATs), which include reverse transcriptase-polymerase chain reaction (RT-PCR) tests. Total number of new cases per 100,000 persons within the last 7 days is calculated by adding the number of new cases in the county (or other administrative level) in the last 7 days divided by the population in the county (or other administrative level) and multiplying by 100,000. Percentage of positive diagnostic and screening NAAT during the last 7 days is calculated by dividing the number of positive tests in the county (or other administrative level) during the last 7 days by the total number of tests resulted over the last 7 days. If the two indicators suggest different transmission levels, the higher level is selected. Transmission categories include Blue (Low Transmission): Control is achieved largely through individual prevention behaviors and the public health response to identify and isolate cases or clusters. Threshold: Counties with fewer than 10 cumulative cases per 100,000 population in the past 7 days, and a cumulative NAAT percent test positivity result below 5% in the past 7 days. Yellow (Moderate Transmission): Adherence to individual and selected community level prevention strategies are needed. Threshold: Counties with 10-49 cumulative cases per 100,000 population or a cumulative NAAT test positivity result between 5.0-7.9% in the past 7 days. Orange (Substantial Transmission): Everyday activities should be limited to reduce spread and protect the health care system. Threshold: Counties with 50-99 cumulative cases per 100,000 population or a cumulative NAAT test positivity result between 8.0-9.9% in the past 7 days. Red (High Transmission): Significant measures are needed to limit contact between persons, with priority given to maintaining essential community activities and services (e.g., health care, transportation, food and agriculture, schools). Threshold: Counties with cumulative cases =100 per 100,000 population or a cumulative NAAT test positivity result =10.0% in the past 7 days. The Level of Community Transmission table display the number of counties in each level and the change from the prior week.
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.
NOTE: The Ohio Department of Health [ODH] is no longer updating this indicator. Our last update was 25 May 2021. Please be advised that we will be removing this indicator from the website on 30 September 2021.
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.
Note: Excludes case counts <11
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