Rates of COVID-19 Among Residents and Staff Members in Nursing Homes — United States, May 25–November 22, 2020
MMWR. Morbidity and Mortality Weekly Report·
- DOI
- 10.15585/mmwr.mm7002e2
- PMID
- 33444301
- PMCID
- PMC7808710
- OpenAlex
- W3120482198
- Study type
- Journal article
- Publisher
- Centers for Disease Control MMWR Office
- Article type
- journal-article
- Integrity
- current
Why this research matters now
The temporal correlation between community transmission rates and nursing home incidence suggests that mitigation strategies should incorporate monitoring of local SARS-CoV-2 transmission and reduction of high-risk exposures within facilities.
Structured evidence summary
Research question
This surveillance report describes COVID-19 incidence rates among nursing home residents and staff members across the United States and compares these rates with community transmission trends by HHS region.
Study design
Nationwide facility-level surveillance using CDC's National Healthcare Safety Network data reported by nursing homes under federal mandate from May 25 through November 22, 2020.
Population and setting
Nursing home residents and staff members in facilities enrolled in NHSN reporting across U.S. HHS regions, following a Centers for Medicare & Medicaid Services mandate for routine COVID-19 case reporting.
Main findings
COVID-19 rates among residents rose from June through late July 2020, peaking at 11.5 cases per 1,000 resident-weeks, declined to 6.3 by mid-September, then increased sharply to 23.2 by late November. Staff member case rates followed a similar pattern, reaching 10.9 in late July, dropping to 6.3 in mid-September, and climbing to 21.3 by late November. Community COVID-19 rates in surrounding areas followed comparable temporal trends.
Public-health relevance
The temporal correlation between community transmission rates and nursing home incidence suggests that mitigation strategies should incorporate monitoring of local SARS-CoV-2 transmission and reduction of high-risk exposures within facilities.
Important limitations
This summary relies on the supplied single-article abstract and metadata. Assessment of causal relationships, data quality, facility-level variability, and policy implications requires the full publication.
GIDS interpretation
NHSN nursing home surveillance data reported under federal mandate provided facility-level COVID-19 case counts for both residents and staff during the first wave and fall resurgence of the pandemic. The classifier links place this report within outbreak investigation, surveillance, and transmission dynamics topics for COVID-19 in the United States.
Related GIDS surveillance
Literature context does not validate, explain, or change a surveillance signal. Exact and contextual relationships are shown separately.
Evidence relationships
This article has 11 auditable classifier relationships to diseases, places, topics, and study design.