anchor.diff:  
   This item was shown to respondents starting in Wave 7, January 12, 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
   fb-survey,smoothed_received_2_vaccine_doses,TRUE,smoothed_wreceived_2_vaccine_doses,FALSE,{base_name} (Weighted),TRUE,,,day,Date,Percentage,percent,public,good,TRUE,TRUE,FALSE,TRUE,TRUE,
  -fb-survey,smoothed_restaurant_1d,FALSE,smoothed_restaurant_1d,FALSE,Restaurant (Last 24 Hours),TRUE,"Estimated percentage of respondents who went to a ""bar, restaurant, or cafe"" in the past 24 hours","{short_description}.
  +fb-survey,smoothed_restaurant_1d,FALSE,smoothed_restaurant_1d,FALSE,Restaurant (Last 24 Hours),FALSE,"Estimated percentage of respondents who went to a ""bar, restaurant, or cafe"" in the past 24 hours","{short_description}.
   
   This item was shown to respondents starting in Wave 4, September 8, 2020.
   
   Discontinued as of Wave 10, March 2, 2021.",day,Date,Percentage,percent,public,neutral,TRUE,FALSE,FALSE,TRUE,TRUE,https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html#social-distancing-and-travel
  -fb-survey,smoothed_restaurant_1d,TRUE,smoothed_wrestaurant_1d,FALSE,{base_name} (Weighted),TRUE,,,day,Date,Percentage,percent,public,neutral,TRUE,TRUE,FALSE,TRUE,TRUE,
  +fb-survey,smoothed_restaurant_1d,TRUE,smoothed_wrestaurant_1d,FALSE,{base_name} (Weighted),FALSE,,,day,Date,Percentage,percent,public,neutral,TRUE,TRUE,FALSE,TRUE,TRUE,
   fb-survey,smoothed_restaurant_indoors_1d,FALSE,smoothed_restaurant_indoors_1d,FALSE,Restaurant Indoors (Last 24 Hours),TRUE,"Estimated percentage of respondents who went to an indoor ""bar, restaurant, or cafe"" in the past 24 hours","{short_description}.
   
   This item was shown to respondents starting in Wave 10, March 2, 2021.",day,Date,Percentage,percent,public,neutral,TRUE,FALSE,FALSE,TRUE,TRUE,https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html#social-distancing-and-travel
  
positive.code: 
  Note: Until Wave 11 (May 19, 2021), this included people who said they were tested while receiving other medical care, because their employer or school required it, after attending a large outdoor gathering, or prior to visiting friends or family. After that date, this includes people who said they were tested while receiving other medical care, because their employer or school required it, prior to visiting friends or family, or prior to domestic or international travel.",day,Date,Percentage,percent,public,bad,TRUE,FALSE,FALSE,TRUE,TRUE,https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html#testing-indicators
  fb-survey,smoothed_screening_tested_positive_14d,TRUE,smoothed_wscreening_tested_positive_14d,FALSE,{base_name} (Weighted),TRUE,,,day,Date,Percentage,percent,public,bad,TRUE,TRUE,FALSE,TRUE,TRUE,
  fb-survey,smoothed_shop_1d,FALSE,smoothed_shop_1d,FALSE,Shop (Last 24 Hours),TRUE,"Estimated percentage of respondents who went to a ""market, grocery store, or pharmacy"" in the past 24 hours","{short_description}
  
  Discontinued as of Wave 10, March 2, 2021.",day,Date,Percentage,percent,public,neutral,TRUE,FALSE,FALSE,TRUE,TRUE,https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html#social-distancing-and-travel
  fb-survey,smoothed_shop_1d,TRUE,smoothed_wshop_1d,FALSE,{base_name} (Weighted),TRUE,,,day,Date,Percentage,percent,public,neutral,TRUE,TRUE,FALSE,TRUE,TRUE,
  fb-survey,smoothed_shop_indoors_1d,FALSE,smoothed_shop_indoors_1d,FALSE,Shop Indoors (Last 24 Hours),TRUE,"Estimated percentage of respondents who went to an ""indoor market, grocery store, or pharmacy"" in the past 24 hours","{short_description}
  
  This item was shown to respondents starting in Wave 10, March 2, 2021.",day,Date,Percentage,percent,public,neutral,TRUE,FALSE,FALSE,TRUE,TRUE,https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html#social-distancing-and-travel
  fb-survey,smoothed_shop_indoors_1d,TRUE,smoothed_wshop_indoors_1d,FALSE,{base_name} (Weighted),TRUE,,,day,Date,Percentage,percent,public,neutral,TRUE,TRUE,FALSE,TRUE,TRUE,
  fb-survey,smoothed_spent_time_1d,FALSE,smoothed_spent_time_1d,FALSE,Spent Time (Last 24 Hours),TRUE,"Estimated percentage of respondents who ""spent time with someone who isn't currently staying with you"" in the past 24 hours","{short_description}
  
  Discontinued as of Wave 10, March 2, 2021.",day,Date,Percentage,percent,public,neutral,TRUE,FALSE,FALSE,TRUE,TRUE,https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html#social-distancing-and-travel
  fb-survey,smoothed_spent_time_1d,TRUE,smoothed_wspent_time_1d,FALSE,{base_name} (Weighted),TRUE,,,day,Date,Percentage,percent,public,neutral,TRUE,TRUE,FALSE,TRUE,TRUE,
  fb-survey,smoothed_spent_time_indoors_1d,FALSE,smoothed_spent_time_indoors_1d,FALSE,Spent Time Indoors (Last 24 Hours),TRUE,"Estimated percentage of respondents who ""spent time indoors with someone who isn't currently staying with you"" in the past 24 hours","{short_description}
  
  This item was shown to respondents starting in Wave 10, March 2, 2021.",day,Date,Percentage,percent,public,neutral,TRUE,FALSE,FALSE,TRUE,TRUE,https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html#social-distancing-and-travel
  
negative.code: fb-survey,smoothed_dontneed_reason_other,TRUE,smoothed_wdontneed_reason_other,FALSE,{base_name} (Weighted),TRUE,,,day,Date,Percentage,percent,public,neutral,TRUE,TRUE,FALSE,TRUE,TRUE,
  fb-survey,smoothed_dontneed_reason_precautions,FALSE,smoothed_dontneed_reason_precautions,FALSE,Vaccine Not Needed: Precautions,TRUE,"Estimated percentage of respondents who say they don't need to get a COVID-19 vaccine because they will use other precautions, such as a mask, instead","{short_description}, among respondents who provided at least one reason for why they believe a COVID-19 vaccine is unnecessary.",day,Date,Percentage,percent,public,neutral,TRUE,FALSE,FALSE,TRUE,TRUE,https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html#reasons-for-believing-vaccine-is-unnecessary
  fb-survey,smoothed_dontneed_reason_precautions,TRUE,smoothed_wdontneed_reason_precautions,FALSE,{base_name} (Weighted),TRUE,,,day,Date,Percentage,percent,public,neutral,TRUE,TRUE,FALSE,TRUE,TRUE,
  fb-survey,smoothed_felt_isolated_5d,FALSE,smoothed_felt_isolated_5d,FALSE,Felt Isolated (Last Five Days),FALSE,"Estimated percentage of respondents who reported feeling ""isolated from others"" for most or all of the past 5 days.","{short_description}
  
  Discontinued as of Wave 10, March 2, 2021.",day,Date,Percentage,percent,public,bad,TRUE,FALSE,FALSE,TRUE,TRUE,https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html#mental-health-indicators
  fb-survey,smoothed_felt_isolated_5d,TRUE,smoothed_wfelt_isolated_5d,FALSE,{base_name} (Weighted),FALSE,,,day,Date,Percentage,percent,public,bad,TRUE,TRUE,FALSE,TRUE,TRUE,
  fb-survey,smoothed_felt_isolated_7d,FALSE,smoothed_felt_isolated_7d,FALSE,Felt Isolated (Last Seven Days),FALSE,"Estimated percentage of respondents who reported feeling ""isolated from others"" for most or all of the past 7 days.","{short_description}
  
  This item was shown to respondents starting in Wave 10, March 2, 2021.
  
  Discontinued as of Wave 11, May 19, 2021.",day,Date,Percentage,percent,public,bad,TRUE,FALSE,FALSE,TRUE,TRUE,https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html#mental-health-indicators
  fb-survey,smoothed_felt_isolated_7d,TRUE,smoothed_wfelt_isolated_7d,FALSE,{base_name} (Weighted),FALSE,,,day,Date,Percentage,percent,public,bad,TRUE,TRUE,FALSE,TRUE,TRUE,
  fb-survey,smoothed_hesitancy_reason_allergic,FALSE,smoothed_hesitancy_reason_allergic,FALSE,Vaccine Hesitancy: Allergic,FALSE,Estimated percentage of respondents who say they are hesitant to get vaccinated because they are worried about having an allergic reaction,"{short_description}, among respondents who answered ""Yes, probably"", ""No, probably not"", or ""No, definitely not"" when asked if they would get vaccinated if offered.
  
  This item was shown to respondents starting in Wave 8, February 8, 2021.
  
  Discontinued as of Wave 11, May 19, 2021.",day,Date,Percentage,percent,public,neutral,TRUE,FALSE,FALSE,TRUE,TRUE,https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html#reasons-for-hesitancy
  fb-survey,smoothed_hesitancy_reason_allergic,TRUE,smoothed_whesitancy_reason_allergic,FALSE,{base_name} (Weighted),FALSE,,,day,Date,Percentage,percent,public,neutral,TRUE,TRUE,FALSE,TRUE,TRUE,
  fb-survey,smoothed_hesitancy_reason_cost,FALSE,smoothed_hesitancy_reason_cost,FALSE,Vaccine Hesitancy: Cost,TRUE,Estimated percentage of respondents who say they are hesitant to get vaccinated because they are worried about the cost,"{short_description}, among respondents who answered ""Yes, probably"", ""No, probably not"", or ""No, definitely not"" when asked if they would get vaccinated if offered.
  
  This item was shown to respondents starting in Wave 8, February 8, 2021.",day,Date,Percentage,percent,public,neutral,TRUE,FALSE,FALSE,TRUE,TRUE,https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html#reasons-for-hesitancy
  