U.S., Feb. 5 -- ClinicalTrials.gov registry received information related to the study (NCT07388173) titled 'Functional Impact of Acute Respiratory Viral Infections in Older Adults' on Dec. 29, 2025.
Brief Summary: The prevention of infectious diseases in older adults remains a major public health challenge, as acute respiratory infections are a leading cause of hospitalisation, mortality, and functional decline worldwide. Immunosenescence and environmental exposures increase susceptibility to infection and reduce vaccine effectiveness in this population. Respiratory viruses, including influenza, SARS-CoV-2, respiratory syncytial virus, and human metapneumovirus, account for a substantial share of this burden, much of which is vaccine-preve...