December 4, 2020 to December 6, 2020
Variables affected:
-
negative
Tags: CTP Backfill CTP Backfill Mistake Correction
On December 4 through 6, we subtracted Positive cases (confirmed + probable) instead of Positive PCR tests (people) to calculate negatives in Vermont. This uses the correct values in calculation and fixes the 3 values based on Vermont's reporting at the time.
December 8, 2020
Variables affected:
-
positiveCasesViral
Tags: CTP Backfill CTP Backfill Mistake Correction
On December 12, 2020, we accidentally input Vermont's Cases (confirmed + probable) in their Confirmed cases for the day. We do not have coverage of confirmed cases from screenshots, and were not able to locate an archive of them, so we're carrying over their Confirmed cases for December 12, 2020.
February 13, 2021
Variables affected:
-
totalTestsViral
Tags: State Data Note State Anomalies
On February 13, 2021 Vermont's reported **Total Tests (PCR)** declined from 961,542 to 958,666 without explanation.
February 2, 2021
Variables affected:
-
totalTestsViral
Tags: State Anomalies
On February 02, 2021, Vermont reported a decrease in Total PCR Tests (specimens) of around 23K without explanation.
January 12, 2021
Variables affected:
-
negative
Tags: State Anomalies
On January 12, 2021, Vermont reported more new Confirmed cases than new Total PCR tests (people). As a result, Negative PCR tests (people), which is calculated as Total PCR tests (people) minus Confirmed Cases decreased by 5.
January 4, 2021 to January 6, 2021
Variables affected:
-
deathConfirmed
Tags: Other
On January 4, 2020, Vermont posted that "the numbers of COVID-19 deaths now includes deaths among probable cases since September 6, 2020." Clearing confirmed deaths from January 4, 2021 onward.
January 1, 2021
Variables affected:
-
All Metrics
Tags: State / Metric No Update State Data Note
On January 1, 2021, Alaska, Connecticut, Kentucky, Louisiana, Massachusetts, Michigan, Minnesota, the Northern Mariana Islands, North Carolina, North Dakota, Ohio, South Carolina, South Dakota, Utah, and Vermont did not update their data, presumably due to the New Years holiday.
December 25, 2020
Variables affected:
-
All Metrics
Tags: State / Metric No Update
On December 25, 2020, Alaska, California, Connecticut, the District of Columbia, Idaho, Kansas, Louisiana, Massachusetts, Michigan, Minnesota, North Carolina, North Dakota, New Hampshire, Ohio, Rhode Island, South Carolina, South Dakota, Utah, and Vermont did not update their data due to the Christmas holiday.
December 23, 2020
Variables affected:
-
negative -
totalTestsPeopleViral -
positiveCasesViral
Tags: State Anomalies
"On December 23, 2020, Vermont reported more new *Confirmed cases* than new Total PCR Tests (people), which caused a decrease in the value of Negative PCR Tests (people) in our API"
December 8, 2020
Variables affected:
-
positive -
positiveCasesViral
Tags: State Anomalies State Data Note
On December 08, 2020, we mistakenly reported Vermont's Positive Cases (PCR) as 5180. The correct value was 5080. We have corrected our dataset.
December 6, 2020
Variables affected:
-
negative
Tags: Other
On December 7, 2020, we identified an issue in Vermont's December 6, 2020 **Negative PCR tests (people) **value. On December 6, 2020, it was calculated as Total PCR tests (people) minus Cases (confirmed + probable) but should have been Total PCR tests (people) minus Positive PCR tests (people).
March 6, 2020 to December 3, 2020
Variables affected:
-
positiveCasesViral -
negative -
probableCases -
positive -
totalTestsPeopleViral
Tags: CTP Backfill New Dataset / Timeseries
Vermont released its Probable cases timeseries, so on December 4, 2020, we updated our Probable and Confirmed cases for Vermont, adjusting Cases (confirmed plus probable) and Negative PCR test (people) to be aligned with the new cases values. Starting on December 4, 2020, we will capture these metrics during our daily publish shifts.
March 7, 2020 to December 1, 2020
Variables affected:
-
positive -
totalTestsPeopleViral
Tags: CTP Backfill State Annotation / Source Change
On December 2, 2020, Vermont is adding 120 probables since September to its case counts, which previously were only confirmed. They provide a cases timeseries where those probables are distributed over the full timeseries, so we are backfilling Positive so it doesn't appear as if cases rose by an additional 120 today.
As a bonus, we're also backfilling Total PCR Tests (People) with a by-result timeseries so that we can get more history — we only have it back to May but this will get us back to March.
November 26, 2020
Variables affected:
-
All Metrics
Tags: State / Metric No Update
On November 26, 2020, the listed states either released partial updates or did not update their data at all.
November 13, 2020
Variables affected:
-
lastUpdateTime
Tags: CTP Backfill CTP Backfill Mistake Correction
On November 16, 2020, we corrected the Last Update (ET) value for November 13, 2020.
March 3, 2020 to October 28, 2020
Variables affected:
-
totalTestsViral
Tags: CTP Backfill New Dataset / Timeseries
Backfilling VT Total Tests (PCR) from their arcgis.
March 3, 2020 to October 28, 2020
Variables affected:
-
totalTestsViral
On October 29, 2020, Vermont started publishing **Total PCR Tests (in specimens)** in addition to **Total PCR Tests (in people)**. We backfilled the full time series for this metric from Vermont's Arcgis layer. 209k new total tests, 4k new daily tests.
October 6, 2020
Variables affected:
-
totalTestsViral -
negative
On 10/6, VT's Total PCR Tests (People) decreased from 167506 to 167441. This resulted in a drop in the Negative (People or Cases) column as well. We were unable to find an explanation.
September 23, 2020
Variables affected:
-
totalTestsViral -
negativeTestsViral
On 9/23, total PCR tests decreased by ~80, resulting in a decrease in negatives as well.
August 19, 2020
Variables affected:
-
totalTestsViral
On 8/19, Total Tests (PCR) dropped from 114097 to 113897 (-200). No note or PR about it that we’ve found.
August 12, 2020 to August 13, 2020
Variables affected:
-
dataQualityGrade
States Grades not published for 8/12-8/13
May 15, 2020
Variables affected:
-
totalTestsViral
Tags: New Metric
On May 15, 2020, Vermont started reporting tests in units of specimens in addition to people. We discovered it on July 8, 2020. On October 29, 2020, we got a full time series of their total tests and backfilled it rendering this note obsolete.
March 21, 2020 to April 28, 2020
Variables affected:
-
positiveCasesViral
Tags: CTP API / Logic Changes
We determined that Vermont had always reported only Confirmed cases as their Total Cases and on June 13, 2020, we copied Vermont's Total Cases into Confirmed prior to April 28, 2020.
April 21, 2020 to April 25, 2020
Variables affected:
-
recovered
Tags: CTP Backfill Mistake Correction
On April 21, 2020 we mistakenly entered a much higher number of Recovered for Vermont and carried this number through to April 25. Since a corrected number isn't available, we have simply removed the column's data from those days.