Acute viral infections of upper respiratory tract in elderly people living in the community: comparative, prospective, population based study of disease burden

Objective: To evaluate the disease burden of upper respiratory infections in elderly people living at home. Design: Prospective surveillance of elderly people. Intervention: None. Setting: Leicestershire, England Subjects: 533 subjects 60 to 90 years of age. Main outcome measures: Pathogens, symp…