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State overview

Total cases
Total deaths
Facilities affected

Some issues exist with this state's data

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Facility typeResident casesResident deathsStaff casesStaff deathsStaff & Resident casesStaff & Resident deathsFacilities impacted
Lumped or other facilities‘Lumped or other facilities’ shows data from states that have not broken down their data by facility type, so it might include data from nursing homes and assisted-living facilities. It also includes some congregate living facilities for older adults that are neither nursing homes nor assisted-living facilities. For each state’s lumped/other definition, please see the state’s specific notes.N/AN/AN/AN/A34,7038,647424
Totals historyN/AN/AN/AN/A34,7038,647424

State notes

Massachusetts reports long-term care COVID-19 data which consists of Nursing Homes, Skilled Nursing Facilities, and Rest Homes. COVID Tracking Project puts all Long-Term-Care data in the Lumped or Other category in our dataset. Massachusetts reports cumulative and outbreak data. Massachusetts does provide facility-level data. Massachusetts reports resident and staff cases and deaths combined. Data is cumulative since March 10, 2020.

Massachusetts provides cumulative totals for resident and staff cases, resident and staff deaths, and number of facilities with a case. 

Massachusetts** **provides outbreak data for resident and staff cases and number of facilities with an ongoing outbreak. Massachusetts labels outbreak data as “clusters”. Massachusetts defines a “cluster” or outbreak as a facility with 1 or more cases in a 28-day period. A “cluster” or outbreak ends when 28 days have passed with no new confirmed case. 

Massachusetts reports facility-level data.

Cases and deaths include probables. Massachusetts defines a probable cases as "patients with a positive serology/antibody test and either COVID-like symptoms or likely exposure to COVID-19," and probable deaths as, "patients who did not have a laboratory test but whose death certificate listed COVID-19 as a cause of death are counted as probable deaths." 

  • November 26, 2020: Massachusetts has not updated the Weekly COVID-19 Public Health Report since November 19th. Data was carried over.
  • December 24, 2020: Facility data was carried over from 12/17. MA updated facility reports on Thursdays and CTP gathered data on Wednesday due to the holiday.
  • February 25, 2021: No cumulative data update by Massachusetts. Carry over cumulative data.

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Facility notes

The state provides facility-level cumulative data. The state does not provide facility-level outbreak data. Cumulative facility-level data was first reported by the state on 2020-06-04.

Because each state reports facility-level data differently, CTP has produced a number of scripts to make the dataset as standardized and comprehensive as possible. This state uses the following scripts: post_processing, standardize_data. More information on each of these scripts can be found in our Airtable Facility Script Annotations. (