What does this research mean for the field?

Influenza and human metapneumovirus (hMPV) drive a higher clinical burden and severity of acute respiratory infections in nursing home residents compared to SARS-CoV-2, which currently demonstrates a relatively limited clinical impact. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the risk of suspected acute respiratory infections and compare the clinical impact of various respiratory viruses among nursing home residents.

September 8, 2026Journal of the American Medical Directors AssociationOpen Access

Clinical Impact of Acute Respiratory Virus Infections in Nursing Home Residents

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Authors

LKLisa M. KolodziejNetherlands Center for Occupational Diseases LGLaura C GrootegoedNetherlands Center for Occupational Diseases MJM A J De JongAmsterdam University Medical Centers

Discussion

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Implication

Prospective cohort study reveals substantial disease burden from influenza A and metapneumovirus in nursing home residents, highlighting the need for broader pathogen surveillance.

Key Points

To evaluate the risk of suspected acute respiratory infections and compare the clinical impact of various respiratory viruses among nursing home residents.
Conducted a prospective cohort study from March 2023 to May 2025 across 15 Dutch nursing homes, enrolling residents with suspected acute respiratory infections (ARIs).
Analyzed residual nasopharyngeal and oropharyngeal swabs using a broad respiratory virus panel and evaluated clinical outcomes at days 0, 14, and 28.
Estimated suspected ARI risk using a Bayesian multilevel logistic model incorporating seasonal and facility-level random effects.
Among 3,195 residents, 526 suspected ARI episodes occurred, yielding an estimated ARI risk of 10.2% (95% credible interval, 1.7–43.8).
Pathogens were confirmed in 291 episodes, predominantly SARS-CoV-2 (29.0%), influenza A virus (23.6%), rhinovirus/enterovirus (18.8%), respiratory syncytial virus (11.8%), and human metapneumovirus (hMPV; 6.4%).
Influenza A was linked to delayed recovery, supplemental oxygen use, and a 3-fold risk of secondary bacterial pneumonia, while hMPV was associated with a 4-fold increase in bed hours; conversely, SARS-CoV-2 was associated with higher odds of recovery by day 14.

Cite This Study

Kolodziej et al. (2026) studied this question.

synapsesocial.com/papers/6a9fd72a58e84d0ff5b45b96 https://doi.org/10.1016/j.jamda.2026.106435

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Implication

Prospective cohort study reveals substantial disease burden from influenza A and metapneumovirus in nursing home residents, highlighting the need for broader pathogen surveillance.

Clinical Impact of Acute Respiratory Virus Infections in Nursing Home Residents

Discussion

Member takes

Implication

Key Points

Cite This Study

Clinical Impact of Acute Respiratory Virus Infections in Nursing Home Residents

Discussion

Member takes

Implication

Key Points

Cite This Study

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