Common cold/URI
Sinusitis
Acute otitis media
Exacerbations of chronic pulmonary disease
Bronchiolitis in infants/children
Pneumonia in elderly and immunocompromised adults
Croup, less common than parainfluenza
Rhinovirus
Viral respiratory illness also caused by:
Adenovirus
Arbovirus
Coronaviruses
Coronavirus
Influenza viruses 
Herpes B virus