Figure 3From: The incidence and aetiology of hospitalised community-acquired pneumonia among Vietnamese adults: a prospective surveillance in Central Vietnam The proportion of viral and bacterial agents identified from the enrolled patients by age group. Pathogens detected in sputum and/or nasopharyngeal swabs of patients with LRTI. Patients of 15 to 64 years old were presented in left (A) and those over 65 years old were presented right (B).Back to article page