Incidence and etiology of pneumonia, croup and bronchiolitis in preschool children belonging to a prepaid medical care group over a four-year period

MeSH terms

• Antibodies / analysis
• Bronchopneumonia / epidemiology*
• Bronchopneumonia / etiology
• Child
• Child, Preschool
• Female
• Group Practice
• Humans
• Infant
• Insurance, Health
• Laryngitis / diagnosis
• Laryngitis / epidemiology*
• Laryngitis / etiology
• Male
• Mycoplasma / isolation & purification
• Mycoplasma Infections
• Orthomyxoviridae Infections
• Picornaviridae / isolation & purification
• Pneumonia / diagnosis
• Pneumonia / epidemiology*
• Pneumonia / etiology
• Respiratory Syncytial Viruses / isolation & purification
• Respirovirus / isolation & purification
• Serologic Tests
• Virus Diseases
• Washington