Box 1. Eligibility criteria.

Inclusion (all criteria must be present)	Exclusion (any presence of)
Suspicion of lower respiratory tract infection	Impaired immunity
Age 3 months–12 years	Severe pulmonary disease
Acute cough <21 days	Serious congenital defects
Reported fever >38 °C, <5 days	Use of systemic antibiotics and/or corticosteroids in past 4 weeks
	Judged severely ill by the GP based on symptoms and signs
	Highly suspected of having pneumonia by the GP
	Referral to specialist or emergency department deemed necessary by GP