Perpetual Observational Study of Acute Respiratory Infections presenting via Emergency Rooms and Other Acute Hospital Care Settings

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Study on the incidence of medically-attended respiratory syncytial virus, human metapneumovirus, human parainfluenza virus and rhinovirus amongst older adults in Europe.

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Randomised clinical trial among patients hospitalized for COVID-19, influenza, and community-acquired pneumonia related to other pathogens.

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