cmu-delphi · dshemetov · Jun 23, 2025 · Jun 23, 2025 · Jun 23, 2025 · Jun 23, 2025
diff --git a/docs/api/covidcast-signals/_source-template.md b/docs/api/covidcast-signals/_source-template.md
@@ -9,8 +9,8 @@ grand_parent: Main Endpoint (COVIDcast)
 
 * **Source name:** `SOURCE-API-NAME`
 * **Earliest issue available:** DATE RELEASED TO API
-* **Number of data revisions since 19 May 2020:** 0
-* **Date of last change:** Never
+* **Number of data revisions:** 0 (see [data revision docs](../covidcast_changelog.md#template))
+* **Date of last data revision:** Never (see [data revision docs](../covidcast_changelog.md#template))
 * **Available for:** county, hrr, msa, state (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 * **License:** [LICENSE NAME](../covidcast_licensing.md#APPLICABLE-SECTION)

diff --git a/docs/api/covidcast-signals/chng.md b/docs/api/covidcast-signals/chng.md
@@ -10,8 +10,8 @@ nav_order: 1
 
 * **Source name:** `chng`
 * **Earliest issue available:** November 4, 2020
-* **Number of data revisions since May 19, 2020:** 0
-* **Date of last change:** Never
+* **Number of data revisions:** 0 (see [data revision docs](../covidcast_changelog.md#chng))
+* **Date of last data revision:** Never (see [data revision docs](../covidcast_changelog.md#chng))
 * **Available for:** county, hrr, msa, state, hhs, nation (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 * **License:** [CC BY-NC](../covidcast_licensing.md#creative-commons-attribution-noncommercial)

diff --git a/docs/api/covidcast-signals/covid-act-now.md b/docs/api/covidcast-signals/covid-act-now.md
@@ -9,9 +9,9 @@ nav_order: 2
 {: .no_toc}
 
 * **Source name:** `covid-act-now`
-* **Earliest issue available:** 2021-03-25
-* **Number of data revisions since 19 May 2020:** 0
-* **Date of last change:** Never
+* **Earliest issue available:** March 25, 2021
+* **Number of data revisions:** 0 (see [data revision docs](../covidcast_changelog.md#covid-act-now))
+* **Date of last data revision:** Never (see [data revision docs](../covidcast_changelog.md#covid-act-now))
 * **Available for:** county, hrr, msa, state, hhs, nation (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 * **License:** [CC BY-NC](../covidcast_licensing.md#creative-commons-attribution-noncommercial)

diff --git a/docs/api/covidcast-signals/covid-trends-and-impact-survey.md b/docs/api/covidcast-signals/covid-trends-and-impact-survey.md
@@ -11,8 +11,8 @@ permalink: api/covidcast-signals/fb-survey.html
 
 * **Source name:** `fb-survey`
 * **Earliest issue available:** April 29, 2020
-* **Number of data revisions since May 19, 2020:** 1
-* **Date of last change:** [June 3, 2020](../covidcast_changelog.md#fb-survey)
+* **Number of data revisions:** 1 (see [data revision docs](../covidcast_changelog.md#fb-survey))
+* **Date of last data revision:** June 3, 2020 (see [data revision docs](../covidcast_changelog.md#fb-survey))
 * **Available for:** county, hrr, msa, state, nation (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 * **License:** [CC BY](../covidcast_licensing.md#creative-commons-attribution)

diff --git a/docs/api/covidcast-signals/doctor-visits.md b/docs/api/covidcast-signals/doctor-visits.md
@@ -10,8 +10,8 @@ nav_order: 1
 
 * **Source name:** `doctor-visits`
 * **Earliest issue available:** April 29, 2020
-* **Number of data revisions since May 19, 2020:** 1
-* **Date of last change:** November 9, 2020
+* **Number of data revisions:** 1 (see [data revision docs](../covidcast_changelog.md#doctor-visits))
+* **Date of last data revision:** November 9, 2020 (see [data revision docs](../covidcast_changelog.md#doctor-visits))
 * **Available for:** county, hrr, msa, state (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 * **License:** [CC BY](../covidcast_licensing.md#creative-commons-attribution)

diff --git a/docs/api/covidcast-signals/dsew-cpr.md b/docs/api/covidcast-signals/dsew-cpr.md
@@ -9,9 +9,9 @@ nav_order: 2
 {: .no_toc}
 
 * **Source name:** `dsew-cpr`
-* **Earliest issue available:** 2022-01-28
-* **Number of data revisions since 19 May 2020:** 0
-* **Date of last change:** Never
+* **Earliest issue available:** January 28, 2022
+* **Number of data revisions:** 0 (see [data revision docs](../covidcast_changelog.md#dsew-cpr))
+* **Date of last data revision:** Never (see [data revision docs](../covidcast_changelog.md#dsew-cpr))
 * **Available for:** county, msa, state, hhs, nation (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 * **License:** [Public Domain US Government](https://www.usa.gov/government-works)

diff --git a/docs/api/covidcast-signals/ght.md b/docs/api/covidcast-signals/ght.md
@@ -10,8 +10,8 @@ nav_order: 2
 
 * **Source name:** `ght`
 * **Earliest issue available:** April 29, 2020
-* **Number of data revisions since May 19, 2020:** 0
-* **Date of last change:** Never
+* **Number of data revisions:** 0 (see [data revision docs](../covidcast_changelog.md#ght))
+* **Date of last data revision:** Never (see [data revision docs](../covidcast_changelog.md#ght))
 * **Available for:** dma, hrr, msa, state (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 

diff --git a/docs/api/covidcast-signals/google-survey.md b/docs/api/covidcast-signals/google-survey.md
@@ -10,8 +10,8 @@ nav_order: 2
 
 * **Source name:** `google-survey`
 * **Earliest issue available:** May 01, 2020
-* **Number of data revisions since May 19, 2020:** 0
-* **Date of last change:** Never
+* **Number of data revisions:** 0 (see [data revision docs](../covidcast_changelog.md#google-survey))
+* **Date of last data revision:** Never (see [data revision docs](../covidcast_changelog.md#google-survey))
 * **Available for:** county, hrr, msa, state (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 * **License:** [CC BY](../covidcast_licensing.md#creative-commons-attribution)

diff --git a/docs/api/covidcast-signals/google-symptoms.md b/docs/api/covidcast-signals/google-symptoms.md
@@ -10,8 +10,8 @@ nav_order: 1
 
 * **Source name:** `google-symptoms`
 * **Earliest issue available:** Aug 20, 2017
-* **Number of data revisions since May 19, 2020:** 1
-* **Date of last change:** February 28, 2025
+* **Number of data revisions:** 1 (see [data revision docs](../covidcast_changelog.md#google-symptoms))
+* **Date of last data revision:** February 28, 2025 (see [data revision docs](../covidcast_changelog.md#google-symptoms))
 * **Available for:** county, MSA, HRR, state, HHS, nation (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 * **License:** To download or use the data, you must agree to the Google [Terms of Service](https://policies.google.com/terms)

diff --git a/docs/api/covidcast-signals/hhs.md b/docs/api/covidcast-signals/hhs.md
@@ -10,8 +10,8 @@ nav_order: 2
 
 * **Source name:** `hhs`
 * **Earliest issue available:** November 16, 2020
-* **Number of data revisions since 19 May 2020:** 0
-* **Date of last change:** Never
+* **Number of data revisions:** 0 (see [data revision docs](../covidcast_changelog.md#hhs))
+* **Date of last data revision:** Never (see [data revision docs](../covidcast_changelog.md#hhs))
 * **Available for:** state, hhs, nation (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 * **License:** [Public Domain US Government](https://www.usa.gov/government-works)

diff --git a/docs/api/covidcast-signals/hospital-admissions.md b/docs/api/covidcast-signals/hospital-admissions.md
@@ -10,8 +10,8 @@ nav_order: 1
 
 * **Source name:** `hospital-admissions`
 * **Earliest issue available:** June 21, 2020
-* **Number of data revisions since May 19, 2020:** 1
-* **Date of last change:** October 20, 2020
+* **Number of data revisions:** 1 (see [data revision docs](../covidcast_changelog.md#hospital-admissions))
+* **Date of last data revision:** October 20, 2020 (see [data revision docs](../covidcast_changelog.md#hospital-admissions))
 * **Available for:** county, hrr, msa, state (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 * **License:** [CC BY](../covidcast_licensing.md#creative-commons-attribution)

diff --git a/docs/api/covidcast-signals/indicator-combination.md b/docs/api/covidcast-signals/indicator-combination.md
@@ -22,8 +22,8 @@ calculated or composed by Delphi. It is not a primary data source.
 ## Statistical Combination Signals
 
 * **Earliest issue available:** May 20, 2020
-* **Number of data revisions since May 19, 2020:** 1
-* **Date of last change:** [June 3, 2020](../covidcast_changelog.md#indicator-combination)
+* **Number of data revisions:** 1 (see [data revision docs](../covidcast_changelog.md#indicator-combination))
+* **Date of last data revision:** June 3, 2020 (see [data revision docs](../covidcast_changelog.md#indicator-combination))
 * **Available for:** county, msa, state (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 * **License:** [CC BY](../covidcast_licensing.md#creative-commons-attribution)
@@ -191,9 +191,9 @@ The resampling method for each input source is as follows:
 
 ## Compositional Signals: Confirmed Cases and Deaths
 
-* **Earliest issue available:** 7 July 2020
-* **Number of data revisions since 19 May 2020:** 1
-* **Date of last change:** [12 October 2020](../covidcast_changelog.md#indicator-combination)
+* **Earliest issue available:** July 7, 2020
+* **Number of data revisions:** 1 (see [data revision docs](../covidcast_changelog.md#indicator-combination))
+* **Date of last data revision:** October 12, 2020 (see [data revision docs](../covidcast_changelog.md#indicator-combination))
 * **Available for:** county, msa, hrr, state (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 

diff --git a/docs/api/covidcast-signals/jhu-csse.md b/docs/api/covidcast-signals/jhu-csse.md
@@ -10,8 +10,8 @@ nav_order: 2
 
 * **Source name:** `jhu-csse`
 * **Earliest issue available:** May 7, 2020
-* **Number of data revisions since May 19, 2020:** 1
-* **Date of last change:** [October 7, 2020](../covidcast_changelog.md#jhu-csse)
+* **Number of data revisions:** 1 (see [data revision docs](../covidcast_changelog.md#jhu-csse))
+* **Date of last data revision:** October 7, 2020 (see [data revision docs](../covidcast_changelog.md#jhu-csse))
 * **Available for:** county, hrr, msa, state, hhs, nation (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 * **License:** [CC BY](#source-and-licensing)

diff --git a/docs/api/covidcast-signals/nchs-mortality.md b/docs/api/covidcast-signals/nchs-mortality.md
@@ -10,8 +10,8 @@ nav_order: 1
 
 * **Source name:** `nchs-mortality`
 * **Earliest issue available:** Epiweek 50 2020 (6-12 December 2020)
-* **Number of data revisions since May 19, 2020:** 0
-* **Date of last change:** Never
+* **Number of data revisions:** 0 (see [data revision docs](../covidcast_changelog.md#nchs-mortality))
+* **Date of last data revision:** Never (see [data revision docs](../covidcast_changelog.md#nchs-mortality))
 * **Available for:** state (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** week (see [date format docs](../covidcast_times.md))
 * **License:** [NCHS Data Use Agreement](https://www.cdc.gov/nchs/data_access/restrictions.htm)

diff --git a/docs/api/covidcast-signals/nhsn.md b/docs/api/covidcast-signals/nhsn.md
@@ -9,8 +9,8 @@ nav_order: 1
 
 * **Source name:** `nhsn`
 * **Earliest issue available:** November 19, 2024
-* **Number of data revisions since 18 Nov 2024:** 0
-* **Date of last change:** Never
+* **Number of data revisions:** 0 (see [data revision docs](../covidcast_changelog.md#nhsn))
+* **Date of last data revision:** Never (see [data revision docs](../covidcast_changelog.md#nhsn))
 * **Available for:** state, hhs, nation (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** week (see [date format docs](../covidcast_times.md))
 * **License:** [Public Domain US Government](https://www.usa.gov/government-works)

diff --git a/docs/api/covidcast-signals/nssp.md b/docs/api/covidcast-signals/nssp.md
@@ -9,8 +9,8 @@ nav_order: 1
 
 * **Source name:** `nssp`
 * **Earliest issue available:** April 17, 2024
-* **Number of data revisions since 19 May 2020:** 0
-* **Date of last change:** Never
+* **Number of data revisions:** 0 (see [data revision docs](../covidcast_changelog.md#nssp))
+* **Date of last data revision:** Never (see [data revision docs](../covidcast_changelog.md#nssp))
 * **Available for:** county, hrr, msa, state, hhs, nation (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** week (see [date format docs](../covidcast_times.md))
 * **License:** [Public Domain US Government](https://www.usa.gov/government-works)

diff --git a/docs/api/covidcast-signals/quidel.md b/docs/api/covidcast-signals/quidel.md
@@ -20,8 +20,8 @@ nav_order: 1
 
 * **Source name:** `quidel`
 * **Earliest issue available:** July 29, 2020
-* **Number of data revisions since May 19, 2020:** 1
-* **Date of last change:** October 22, 2020
+* **Number of data revisions:** 1 (see [data revision docs](../covidcast_changelog.md#quidel-covid))
+* **Date of last data revision:** October 22, 2020 (see [data revision docs](../covidcast_changelog.md#quidel-covid))
 * **Available for:** county, hrr, msa, state, HHS, nation (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 * **License:** [CC BY](../covidcast_licensing.md#creative-commons-attribution)
@@ -168,8 +168,8 @@ These signals are inactive. They were updated until May 19, 2020.
 * **Source name:** `quidel`
 * **Earliest issue available:** April 29, 2020
 * **Last issued:** May 19, 2020
-* **Number of data revisions since May 19, 2020:** 0
-* **Date of last change:** Never
+* **Number of data revisions:** 0 (see [data revision docs](../covidcast_changelog.md#quidel-flu))
+* **Date of last data revision:** Never (see [data revision docs](../covidcast_changelog.md#quidel-flu))
 * **Available for:** msa, state (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 

diff --git a/docs/api/covidcast-signals/safegraph.md b/docs/api/covidcast-signals/safegraph.md
@@ -26,8 +26,8 @@ surface signals from two such datasets.
 ## SafeGraph Social Distancing Metrics
 
 * **Earliest issue available:** June 20, 2020
-* **Number of data revisions since June 23, 2020:** 1
-* **Date of last change:** November 3, 2020
+* **Number of data revisions since June 23, 2020:** 1 (see [data revision docs](../covidcast_changelog.md#safegraph))
+* **Date of last data revision:** November 3, 2020 (see [data revision docs](../covidcast_changelog.md#safegraph))
 
 **This dataset is no longer updated after April 19th, 2021.**
 
@@ -77,8 +77,8 @@ additional day for SafeGraph's data to be ingested into the COVIDcast API.
 ## SafeGraph Weekly Patterns
 
 * **Earliest issue available:** November 30, 2020
-* **Number of data revisions since June 23, 2020:** 0
-* **Date of last change:** never
+* **Number of data revisions:** 0 (see [data revision docs](../covidcast_changelog.md#safegraph))
+* **Date of last data revision:** Never (see [data revision docs](../covidcast_changelog.md#safegraph))
 
 **This dataset is no longer updated after July 15th, 2022.**
 

diff --git a/docs/api/covidcast-signals/usa-facts.md b/docs/api/covidcast-signals/usa-facts.md
@@ -10,8 +10,8 @@ nav_order: 2
 
 * **Source name:** `usa-facts`
 * **Earliest issue available:** June 24, 2020
-* **Number of data revisions since May 19, 2020:** 2
-* **Date of last change:** [November 3, 2020](../covidcast_changelog.md#usa-facts)
+* **Number of data revisions:** 2 (see [data revision docs](../covidcast_changelog.md#usa-facts))
+* **Date of last data revision:** November 3, 2020 (see [data revision docs](../covidcast_changelog.md#usa-facts))
 * **Available for:** county, hrr, msa, state (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 * **License:** [CC BY](#source-and-licensing)

diff --git a/docs/api/covidcast-signals/youtube-survey.md b/docs/api/covidcast-signals/youtube-survey.md
@@ -12,8 +12,8 @@ nav_order: 2
 
 * **Source name:** `youtube-survey`
 * **Earliest issue available:** May 01, 2020
-* **Number of data revisions since May 19, 2020:** 0
-* **Date of last change:** Never
+* **Number of data revisions:** 0 (see [data revision docs](../covidcast_changelog.md#youtube-survey))
+* **Date of last data revision:** Never (see [data revision docs](../covidcast_changelog.md#youtube-survey))
 * **Available for:** state (see [geography coding docs](../covidcast_geography.md))
 * **Time type:** day (see [date format docs](../covidcast_times.md))
 * **License:** [CC BY-NC](../covidcast_licensing.md#creative-commons-attribution-noncommercial)

diff --git a/docs/api/covidcast_changelog.md b/docs/api/covidcast_changelog.md
@@ -90,7 +90,7 @@ Standard errors are now included in the `nmf_day_doc_fbc_fbs_ght` signal for all
 
 The 10 October 2020 issue of all `indicator-combination` deaths signals has been removed from the API. These signals are primarily constructed of USAFacts data, whose 10 October 2020 issue was discovered to be corrupt on 11 October and repaired on 12 October. Subsequent issues have adequate coverage of all regions and dates included in the 10 October issue, so this change only affects forecasters who intend to pull training data with an `as_of` or `issues` parameter set to 20201010.
 
-### `quidel`
+### `quidel-covid`
 
 #### 22 October 2020
 We went from a custom geo mapping file (for aggregating from zip->(county, msa, hrr, state)) to a central geo file based on rigorously sourced US census data.