Research Briefs

Medicine · Infectious Diseases

COVID-19 Clinical Research Studies

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Abstract editorial illustration accompanying the article: Study links updated COVID-19 vaccination with fewer hospital stays in rheumatic disease
Health & Medicine
Moderate evidenceHuman study

Study links updated COVID-19 vaccination with fewer hospital stays in rheumatic disease

This retrospective human cohort study examined 60,980 adults with autoimmune rheumatic conditions who developed COVID-19 between December 2020 and August 2024. Researchers found that vaccinated patients, including those who received an updated 2023–2024 vaccine or a booster, had lower adjusted odds of COVID-19-related hospitalization than patients with no recorded vaccine doses. The study found associations, not proof that vaccination caused the lower risk.

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Abstract editorial illustration accompanying the article: Review examines lasting heart and autonomic problems after COVID-19 in children
Health & Medicine
Moderate evidenceReview

Review examines lasting heart and autonomic problems after COVID-19 in children

This human-health review examined cardiovascular and autonomic outcomes in children after SARS-CoV-2 infection or multisystem inflammatory syndrome in children (MIS-C). It reports that obvious heart dysfunction usually improved, while some studies found persistent changes on more sensitive tests and symptoms linked with autonomic dysfunction. The importance of these findings for children’s long-term health remains uncertain.

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