COVID-19 in Nursing Homes 2020 and 2021

Association Between COVID-19 Vaccination and Reduced Mortality in Nursing Home Facilities.

To describe the effect on mortality in nursing home facilities during three separate equally long periods during the pandemic and more specifically to analyse the effect on mortality of improved preventive routines and vaccination.

Retrospective descriptive cohort study in Östergötland County Council, Sweden comprising 136 nursing home facilities with a possibility to host 4500 residents. All residents in any of these NHs who had a laboratory confirmed COVID-19 diagnosis between March 2020 to April 2021 and who died within 30 days after the verified diagnosis are included. The study is undertaken as a retrospective record review. From the records patient-level data on demographic variables, clinical signs, comorbidity, performance status, and cause of death are collected.

Inclusion Criteria:

• All residents in any of 136 nursing homes in Östergötland County Council, Sweden who had a laboratory confirmed COVID-19 diagnosis and who died within 30 days after the verified COVID-19 were included in three separate periods: First period from March 31 to June 30 2020; second period from October 15 2020 to January 15 2021; third period from January 16 to April 18 2021.

Exclusion Criteria:

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