March 7, 2021
Variables affected:
-
All Metrics -
hospitalizedCurrently
Tags: State / Metric No Update
On March 7, 2021, Tennessee only provided an update for **Now hospitalized**.
March 11, 2020 to March 1, 2021
Variables affected:
-
negative
Tags: CTP Backfill
Deleting the (calculated) negatives column, as it no longer used in calculating TotalTestResults, and the negativeTestsViral column is more correct.
March 6, 2020 to March 1, 2021
Variables affected:
-
totalTestsViral -
totalTestResults
Tags: CTP API / Logic Changes
On March 1, 2021, we switched TN's totalTestResults to draw from totalTestsViral instead of positive+negative.
Daily diff: -191 Total diff: -126029
March 24, 2020 to January 29, 2021
Variables affected:
-
negativeTestsViral -
totalTestsViral -
positiveTestsViral
Tags: CTP Backfill
Backfilling total/positive/negative tests (pcr) for TN from state provided time series. Primarily extends data back to 3/24.
February 26, 2021
Variables affected:
-
hospitalizedCurrently
Tags: State Anomalies
On February 26, 2021, Tennessee's **Currently hospitalized** increased by 301 without explanation.
February 23, 2021
Variables affected:
-
deathConfirmed -
recovered -
totalTestsViral -
totalTestsAntigen -
positive -
hospitalizedCumulative -
negative -
probableCases -
positiveCasesViral -
negativeTestsAntigen -
negativeTestsViral -
death -
positiveTestsViral -
lastUpdateTime -
positiveTestsAntigen -
deathProbable
Tags: CTP Backfill CTP Backfill Missed Update
On February 23, 2021, Tennessee updated their COVID-19 data after the time of our daily update. This late update was patched in our historical data on February 24, 2021.
February 23, 2021
Variables affected:
-
hospitalizedCurrently -
inIcuCurrently -
onVentilatorCurrently -
lastUpdateTime
Tags: State / Metric No Update
On February 23, 2021, Tennessee did not update their primary source COVID-19 data by the time of our daily update. We were only able to update their Currently hospitalized, Currently in ICU, and Currently on ventilator from their separate hospital data source.
January 29, 2021
Variables affected:
-
totalTestResults
Tags: State / Metric No Update
On 29 January, 2021, Tennessee announced on Twitter that "Lab data for Jan. 29, 2021 will be delayed due to a technical issue. " We captured cases, deaths and recovered metrics from their Twitter post.
January 1, 2021
Variables affected:
-
hospitalizedCurrently
Tags: State / Metric No Update State Data Note
On January 1, 2021, the Tennessee Department of Health announced that its update for January 2, 2021 would include data from both January 1 and January 2, presumably because of the holiday. We were able to update **Now hospitalized** from Tennessee’s separate hospitalization source.
December 25, 2020 to December 26, 2020
Variables affected:
-
All Metrics -
death
Tags: State Anomalies
On December 25, 2020, Tennessee did not provide a data update by the time of our daily update, likely due to the holiday. We were able to update **Now hospitalized** from Tennessee’s separate [hospitalization source](https://www.tn.gov/health/cedep/ncov/data/hospitalization-data/current-covid-hospitalizations.html). Additionally, they [noted](https://twitter.com/TNDeptofHealth/status/1342952651022086147) that the data reported on December 26, 2020, included two days of data, and that the number of deaths reported were “limited” due to the holiday.
December 25, 2020
Variables affected:
-
hospitalizedCurrently
Tags: State / Metric No Update
On December 25, 2020, Tennessee did not provide a data update by the time of our daily update, likely due to the holiday. We were able to update Now hospitalized from Tennessee's separate hospitalization source.
December 19, 2020
Variables affected:
-
All Metrics
Tags: State / Metric No Update
On December 19, 2020, Tennessee announced that due to the volume of tests being processed they will likely release a combined report with data from both December 19, 2020 and December 20, 2020 on December 20, 2020. As a result, we were unable to update their data on December 20, 2020.
December 18, 2020
Variables affected:
-
deathProbable -
positiveTestsViral -
hospitalizedCurrently -
inIcuCurrently -
lastUpdateTime -
death -
totalTestsAntigen -
onVentilatorCurrently -
positive -
negativeTestsAntigen -
positiveTestsAntigen -
deathConfirmed -
hospitalizedCumulative -
recovered -
positiveCasesViral -
negativeTestsViral -
probableCases -
totalTestsViral -
dateChecked -
negative
Tags: CTP Backfill CTP Backfill Missed Update
On December 18, 2020, Tennessee updated their COVID-19 data after the time of our daily update. This late update was patched in our time series on December 19, 2020.
December 12, 2020
Variables affected:
-
negative -
negativeTestsViral -
totalTestsViral
Tags: State Anomalies
On December 12, 2020, Tennessee announced via the official Tennessee Department of Heath twitter that the data for December 12, 2020 is incomplete and does not include all negative test results. Please exercise caution when looking at data from this time period and be aware that 7 day averages may be a more reliable metric than individual figures at this moment.
October 31, 2020
Variables affected:
-
hospitalizedCurrently
On October 31, 2020, Tennessee revised their historical values for Currently hospitalized, resulting in a much higher value for the day's number.
October 25, 2020
Variables affected:
-
hospitalizedCurrently -
inIcuCurrently -
onVentilatorCurrently
On 10/25, TN's hospitalization numbers dropped steeply due to ~30 fewer hospitals reporting. This seems to be a regular occurrence that we will note.
October 22, 2020
Variables affected:
-
hospitalizedCurrently -
inIcuCurrently -
onVentilatorCurrently
On 10/22, TN's website had issues with Tableau, and we were unable to update Currently Hospitalized, Currently in ICU, and Currently on Ventilator. We carried over these values.
October 21, 2020
Variables affected:
-
negativeTestsAntigen -
positiveTestsAntigen -
totalTestsAntigen
Tags: CTP Backfill New Metric
Backfilling the first day that TN reported Antigen tests.
October 21, 2020
Variables affected:
-
totalTestsAntigen -
positiveTestsAntigen -
negativeTestsAntigen
On 10/21, TN began reporting Antigen tests.
October 13, 2020
Variables affected:
-
hospitalizedCurrently -
inIcuCurrently -
onVentilatorCurrently
On 10/13, TN's Currently Hospitalized, Currently in ICU, and Currently on Ventilator numbers all increased by significant amounts. Currently Hospitalized: 945 > 1245 Currently in ICU: 269 > 339 Currently on Ventilator: 131 > 156
After closer investigation, it seems that TN backfilled all of their current hospitalization values, causing this increase to be artificially large. This is routine occurrence with TN.
October 4, 2020
Variables affected:
-
inIcuCurrently
Tags: CTP Backfill CTP Backfill Mistake Correction
Current ICU was entered as a subtraction rather than an addition on 10/4, Patched.
May 4, 2020 to September 5, 2020
Variables affected:
-
probableCases -
dateChecked
Tags: CTP Backfill CTP Backfill Mistake Correction New Metric
Fix 7/28 from state xls (pos,neg,confirmed,probable) Calculate probables from total-confirmed from 7/27-6/10 Back-fill probables from state xls for 5/4 - 6/9
August 30, 2020
Variables affected:
-
hospitalizedCurrently
On 8/31, current hospitalizations dropped by almost 20% (1102 -> 889 [drop of 213] ). There's no explanation, but we're attributing this to a weekend dropoff in reporting.
August 12, 2020 to August 13, 2020
Variables affected:
-
dataQualityGrade
States Grades not published for 8/12-8/13
June 28, 2020
Variables affected:
-
All Metrics
Tags: State / Metric No Update
On June 28, 2020 Tennessee noted that there would be no updates for cases, tests, or outcomes due to a technical error with their surveillance system. Hospitalization metrics were updated.
April 24, 2020
Variables affected:
-
death
Tags: State Anomalies
On April 24, 2020, Tennessee's Deaths (confirmed and probable) decreased by 2 without explanation.