anchor.diff:  jhu-csse,deaths_cumulative_num,TRUE,deaths_cumulative_prop,FALSE,"Confirmed COVID Deaths (Cumulative, per 100k people)",TRUE,"Cumulative confirmed COVID deaths, per 100k people",,day,Date,Value,per100k,late,bad,FALSE,FALSE,TRUE,FALSE,FALSE,
   jhu-csse,deaths_cumulative_num,TRUE,deaths_incidence_num,TRUE,Confirmed COVID Deaths (Daily new),TRUE,Daily new confirmed COVID deaths,,day,Date,Value,count,late,bad,FALSE,FALSE,FALSE,FALSE,FALSE,
   jhu-csse,deaths_cumulative_num,TRUE,deaths_incidence_prop,FALSE,"Confirmed COVID Deaths (Daily new, per 100k people)",TRUE,"Daily new confirmed COVID deaths, per 100k people",,day,Date,Value,per100k,late,bad,FALSE,FALSE,FALSE,FALSE,FALSE,
  -quidel-covid-ag,covid_ag_raw_pct_positive,FALSE,covid_ag_raw_pct_positive,FALSE,COVID-19 Antigen Tests: Percent Positive,TRUE,Percentage of antigen tests that were positive for COVID-19,"When a patient (whether at a doctorâs office, clinic, or hospital) has COVID-like symptoms, doctors may order an antigen test. An antigen test can detect parts of the virus that are present during an active infection. This is in contrast with antibody tests, which detect parts of the immune system that react to the virus, but which persist long after the infection has passed. For this signal, we compute the percentage of antigen tests performed that were positive for COVID-19.",day,Date,Percentage,percent,late,bad,FALSE,FALSE,FALSE,TRUE,TRUE,
  +quidel-covid-ag,covid_ag_raw_pct_positive,FALSE,covid_ag_raw_pct_positive,FALSE,COVID-19 Antigen Tests: Percent Positive,TRUE,Percentage of antigen tests that were positive for COVID-19,"When a patient (whether at a doctorâs office, clinic, or hospital) has COVID-like symptoms, doctors may order an antigen test. An antigen test can detect parts of the virus that are present during an active infection. This is in contrast with antibody tests, which detect parts of the immune system that react to the virus, but which persist long after the infection has passed. For this signal, we compute the percentage of antigen tests performed that were positive for COVID-19.",day,Date,Percentage,percent,late,bad,FALSE,FALSE,FALSE,TRUE,TRUE,[Technical description](https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/quidel.html#covid-19-tests)
   quidel-covid-ag,covid_ag_raw_pct_positive,TRUE,covid_ag_smoothed_pct_positive,FALSE,{base_name} (7-day average),TRUE,,,day,Date,Percentage,percent,late,bad,TRUE,FALSE,FALSE,TRUE,TRUE,
   quidel-flu,raw_pct_negative,FALSE,raw_pct_negative,FALSE,Flu Tests: Percent Negative,FALSE,"The percentage of flu tests that are negative, suggesting the patient's illness has another cause, possibly COVID-19 ","{short_description}.
   
  
positive.code: National provisional death counts is based on death certificate data received and coded by the National Center for Health Statistics ([NCHS](https://www.cdc.gov/nchs/nvss/vsrr/COVID19/index.htm))",week,Week,Value,per100k,late,bad,FALSE,FALSE,FALSE,FALSE,FALSE,
  nchs-mortality,deaths_percent_of_expected,FALSE,deaths_percent_of_expected,FALSE,Percentage of Expected Deaths,TRUE,Weekly new deaths for all causes in 2020 as a percentage of the average number across the same week in 2017-2019.,"{short_description}.
  
  National provisional death counts is based on death certificate data received and coded by the National Center for Health Statistics ([NCHS](https://www.cdc.gov/nchs/nvss/vsrr/COVID19/index.htm))",week,Week,Value,percent,late,neutral,FALSE,FALSE,FALSE,FALSE,FALSE,
negative.code: covid-act-now,pcr_specimen_total_tests,FALSE,pcr_specimen_total_tests,FALSE,Total Number of PCR Tests,TRUE,Total number of PCR specimens tested,,day,Date,Value,count,other,good,FALSE,FALSE,FALSE,FALSE,FALSE,
  doctor-visits,smoothed_cli,FALSE,smoothed_cli,FALSE,COVID-Related Doctor Visits,TRUE,Percentage of daily doctor visits that are due to COVID-like symptoms,"Estimated percentage of outpatient doctor visits that are primarily about COVID-related symptoms, based on data from health system partners, smoothed in time using a Gaussian linear smoother",day,Date,Percentage,percent,early,bad,TRUE,FALSE,FALSE,FALSE,FALSE,
  doctor-visits,smoothed_cli,TRUE,smoothed_adj_cli,FALSE,{base_name} (Day-adjusted),TRUE,,"{base_description}, and adjusted to reduce day-of-week effects",day,Date,Percentage,percent,early,bad,TRUE,TRUE,FALSE,FALSE,FALSE,
  fb-survey,raw_cli,FALSE,raw_cli,FALSE,COVID-Like Symptoms,TRUE,Estimated percentage of people with COVID-like illness ,"{source_description} For this signal, we estimate the percentage of people self-reporting COVID-like symptoms, defined here as fever along with either cough, shortness of breath, or difficulty breathing. While many other conditions can cause these symptoms, comparing the rates of COVID-like symptoms across the country can suggest where COVID is most active.",day,Date,Percentage,percent,early,bad,FALSE,FALSE,FALSE,TRUE,TRUE,"[Survey details](https://delphi.cmu.edu/covidcast/surveys/)
  [Technical description](https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html#ili-and-cli-indicators)"
  fb-survey,raw_cli,TRUE,raw_wcli,FALSE,{base_name} (Weighted),TRUE,,,day,Date,Percentage,percent,public,bad,FALSE,TRUE,FALSE,TRUE,TRUE,
  fb-survey,raw_cli,TRUE,smoothed_cli,FALSE,{base_name} (7-day average),TRUE,,,day,Date,Percentage,percent,early,bad,TRUE,FALSE,FALSE,TRUE,TRUE,
  fb-survey,raw_cli,TRUE,smoothed_wcli,FALSE,{base_name} (Weighted 7-day average),TRUE,,,day,Date,Percentage,percent,public,bad,TRUE,TRUE,FALSE,TRUE,TRUE,
  fb-survey,raw_hh_cmnty_cli,FALSE,raw_hh_cmnty_cli,FALSE,COVID-Like Symptoms in Community,TRUE,Estimated percentage of people reporting illness in their local community,"{source_description} We also ask them if they know anyone in their local community who has COVID-like symptoms, defined here as fever along with either cough, shortness of breath, or difficulty breathing.  For this indicator, we estimate the percentage of people who know someone, in their household or outside it, who has these symptoms. While many conditions can cause these symptoms, not just COVID, comparing the rates across the country can suggest where COVID is most active.",day,Date,Percentage,percent,early,bad,FALSE,FALSE,FALSE,TRUE,TRUE,"[Survey details](https://delphi.cmu.edu/covidcast/surveys/)
  [Technical description](https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html#ili-and-cli-indicators)"
  fb-survey,raw_hh_cmnty_cli,TRUE,raw_whh_cmnty_cli,FALSE,{base_name} (Weighted),TRUE,,,day,Date,Percentage,percent,early,bad,FALSE,TRUE,FALSE,TRUE,TRUE,
  fb-survey,raw_hh_cmnty_cli,TRUE,smoothed_hh_cmnty_cli,FALSE,{base_name} (7-day average),TRUE,,,day,Date,Percentage,percent,early,bad,TRUE,FALSE,FALSE,TRUE,TRUE,
  fb-survey,raw_hh_cmnty_cli,TRUE,smoothed_whh_cmnty_cli,FALSE,{base_name} (Weighted 7-day average),TRUE,,,day,Date,Percentage,percent,early,bad,TRUE,TRUE,FALSE,TRUE,TRUE,
  