Adherence to Guidelines for Antibiotic Use in Respiratory Infections at Hospitals

Inclusion Criteria: * Patients admitted to a respiratory care or internal medicine ward with community-acquired pneumonia or acute exacerbation of chronic bronchitis or chronic obstructive pulmonary disease (COPD) Exclusion Criteria: * Recent (\< 30 days) admission for LRTI * Patients with underlying immunodeficiency (HIV infection, neutropenia, treatment with immunomodulating drugs, active hematological malignancies, anatomical or functional asplenia and hypogammaglobulinemia) * Patients already on treatment with antibiotics for another culture proven infection at the time of admission * Patients from nursing homes * Patients who had been transferred to another hospital or ICU and patients who had died within 24 hours of admission * Patients with very poor prognosis (life expectancy \< 2 weeks on admission).