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# Delphi's COVID-19 Data Sources and Signals
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Delphi's COVID-19 Surveillance Streams data includes the following data sources.
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- Data from these sources is expected to be updated daily. You can use the
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- [ ` covidcast_meta ` ] ( covidcast_meta.md ) API endpoint to get summary information
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+ Data from most of these sources is typically updated daily. You can use the
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+ [ ` covidcast_meta ` ] ( covidcast_meta.md ) endpoint to get summary information
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about the ranges of the different attributes for the different data sources.
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The API for retrieving data from these sources is described in the
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- [ COVIDcast API endpoint documentation] ( covidcast.md ) . Changes and corrections to
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- data in this API are listed in the [ API changelog] ( covidcast_changelog.md ) .
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+ [ COVIDcast endpoint documentation] ( covidcast.md ) . Changes and corrections to
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+ data from this endpoint are listed in the [ changelog] ( covidcast_changelog.md ) .
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To obtain many of these signals and update them daily, Delphi has written
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extensive software to obtain data from various sources, aggregate the data,
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calculate statistical estimates, and format the data to be shared through the
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- COVIDcast API. This code is [ open source and available on
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- GitHub] ( https://github.com/cmu-delphi/covidcast-indicators ) , and contributions
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- are welcome.
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+ COVIDcast endpoint of the Delphi Epidata API. This code is
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+ [ open source and available on GitHub] ( https://github.com/cmu-delphi/covidcast-indicators ) ,
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+ and contributions are welcome.
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- ## COVIDcast Map Signals
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+ ## COVIDcast Dashboard Signals
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The following signals are currently displayed on [ the public COVIDcast
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- map] ( https://delphi.cmu.edu/covidcast/ ) and available in its [ data export
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- tool] ( https://delphi.cmu.edu/covidcast/export/ ) :
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+ dashboard] ( https://delphi.cmu.edu/covidcast/ ) :
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| Kind | Name | Source | Signal |
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| ---- | ---- | ------ | ------ |
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- | Public Behavior | At Away Location 6hr+ | [ ` safegraph ` ] ( covidcast-signals/safegraph.md ) | ` full_time_work_prop_7dav ` |
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- | Public Behavior | At Away Location 3-6hr | [ ` safegraph ` ] ( covidcast-signals/safegraph.md ) | ` part_time_work_prop_7dav ` |
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- | Public Behavior | Bar Visits | [ ` safegraph ` ] ( covidcast-signals/safegraph.md ) | ` bars_visit_prop ` |
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- | Public Behavior | Restaurant Visits | [ ` safegraph ` ] ( covidcast-signals/safegraph.md ) | ` restaurant_visit_prop ` |
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- | Public Behavior | People Wearing Masks | [ ` fb-survey ` ] ( covidcast-signals/fb-survey.md ) | ` smoothed_wearing_mask_7d ` |
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- | Public Behavior | Vaccine Acceptance | [ ` fb-survey ` ] ( covidcast-signals/fb-survey.md ) | ` smoothed_covid_vaccinated_or_accept ` |
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- | Public Behavior | COVID Symptom Searches on Google | [ ` google-symptoms ` ] ( covidcast-signals/google-symptoms.md ) | ` sum_anosmia_ageusia_smoothed_search ` |
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+ | Public Behavior | People Wearing Masks | [ ` fb-survey ` ] ( covidcast-signals/fb-survey.md ) | ` smoothed_wwearing_mask_7d ` |
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+ | Public Behavior | Vaccine Acceptance | [ ` fb-survey ` ] ( covidcast-signals/fb-survey.md ) | ` smoothed_wcovid_vaccinated_appointment_or_accept ` |
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+ | Public Behavior | COVID Symptom Searches on Google | [ ` google-symptoms ` ] ( covidcast-signals/google-symptoms.md ) | ` sum_anosmia_ageusia_smoothed_search ` |
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+ | Early Indicators | COVID-Like Symptoms | [ ` fb-survey ` ] ( covidcast-signals/fb-survey.md ) | ` smoothed_wcli ` |
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+ | Early Indicators | COVID-Like Symptoms in Community | [ ` fb-survey ` ] ( covidcast-signals/fb-survey.md ) | ` smoothed_whh_cmnty_cli ` |
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| Early Indicators | COVID-Related Doctor Visits | [ ` doctor-visits ` ] ( covidcast-signals/doctor-visits.md ) | ` smoothed_adj_cli ` |
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- | Early Indicators | COVID-Like Symptoms | [ ` fb-survey ` ] ( covidcast-signals/fb-survey.md ) | ` smoothed_cli ` |
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- | Early Indicators | COVID-Like Symptoms in Community | [ ` fb-survey ` ] ( covidcast-signals/fb-survey.md ) | ` smoothed_hh_cmnty_cli ` |
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- | Late Indicators | COVID Antigen Test Positivity (Quidel) | [ ` quidel ` ] ( covidcast-signals/quidel.md ) | ` covid_ag_smoothed_pct_positive ` |
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- | Late Indicators | Claims-Based COVID Hospital Admissions | [ ` hospital-admissions ` ] ( covidcast-signals/hospital-admissions.md ) | ` smoothed_adj_covid19_from_claims ` |
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- | Late Indicators | Cases | [ ` jhu-csse ` ] ( covidcast-signals/jhu-csse.md ) | ` confirmed_7dav_incidence_num ` |
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- | Late Indicators | Cases per 100,000 People | [ ` jhu-csse ` ] ( covidcast-signals/jhu-csse.md ) | ` confirmed_7dav_incidence_prop ` |
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- | Late Indicators | Deaths | [ ` jhu-csse ` ] ( covidcast-signals/jhu-csse.md ) | ` deaths_7dav_incidence_num ` |
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- | Late Indicators | Deaths per 100,000 People | [ ` jhu-csse ` ] ( covidcast-signals/jhu-csse.md ) | ` deaths_7dav_incidence_prop ` |
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+ | Cases and Testing| COVID Antigen Test Positivity (Quidel) | [ ` quidel ` ] ( covidcast-signals/quidel.md ) | ` covid_ag_smoothed_pct_positive ` |
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+ | Cases and Testing| COVID Cases | [ ` jhu-csse ` ] ( covidcast-signals/jhu-csse.md ) | ` confirmed_7dav_incidence_prop ` |
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+ | Late Indicators | COVID Hospital Admissions | [ ` hhs ` ] ( covidcast-signals/hhs.md ) | ` confirmed_admissions_covid_1d_prop_7dav ` |
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+ | Late Indicators | Deaths | [ ` jhu-csse ` ] ( covidcast-signals/jhu-csse.md ) | ` deaths_7dav_incidence_prop ` |
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## All Available Sources and Signals
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- Beyond the signals available on the COVIDcast map , numerous other signals are
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- available directly through the API:
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+ Beyond the signals available on the COVIDcast dashboard , numerous other signals are
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+ available through our [ data export tool ] ( https://delphi.cmu.edu/covidcast/export/ ) or directly through the API:
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