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: 
  Note: The Centers for Disease Control compiles data on vaccine administration across the United States. This signal may differ from CDC data because of survey biases and should not be treated as authoritative. However, the survey signal is not subject to the lags and reporting problems in official vaccination data.",day,Date,Percentage,percent,public,good,TRUE,FALSE,FALSE,TRUE,TRUE,https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html#vaccination-indicators
  fb-survey,smoothed_covid_vaccinated,TRUE,smoothed_wcovid_vaccinated,FALSE,{base_name} (Weighted),TRUE,,,day,Date,Percentage,percent,public,good,TRUE,TRUE,FALSE,TRUE,TRUE,
  fb-survey,smoothed_covid_vaccinated_or_accept,FALSE,smoothed_covid_vaccinated_or_accept,FALSE,COVID-19 Vaccinated or Vaccine Acceptance,FALSE,"Estimated percentage of respondents who either have already received a COVID vaccine or would definitely or probably choose to get vaccinated, if a vaccine were offered to them today.","{short_description}
  
  Discontinued as of Wave 11, May 19, 2021.",day,Date,Percentage,percent,public,good,TRUE,FALSE,FALSE,TRUE,TRUE,https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html#vaccination-indicators
  
negative.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,Percentage,percent,late,neutral,FALSE,FALSE,FALSE,FALSE,FALSE,