Novel Tools to Improve Management of Paediatric Community-Acquired Pneumonia - ToolCAP

Inclusion Criteria: * Cough OR Difficulty Breathing AND, * One of the below: Fast breathing (tachypnoea) \> 50/minute (2-12 months) \> 40/minute (1-\<5 years) \> 25/minute (5-12 years) OR Lower chest wall indrawing Exclusion Criteria: * Presenting for repeat visit/follow-up of a treated lower respiratory tract infection (index illness / non-acute) or enrolled in the study within the preceding 28 days. * Received antibiotic treatment for more than 48 hours at the time of enrolment. * WHO IMCI danger signs (inability to drink/breastfeed, vomiting everything, convulsions with this illness, lethargy/unconscious). * Presence of jaundice. * Hypoxaemia with oxygen saturation (SpO2) \<88% * Oxygen saturation (SpO2) \<90% (or country-specific / altitude-adjusted thresholds) i) With signs of severe respiratory distress (such as nasal flaring, grunting, etc.) OR ii) In children \< 6 months * Requiring non-invasive ventilatory support (i.e., high-flow, bilevel positive airway pressure (BiPAP) and continuous positive airway pressure (CPAP)) * Underlying disease associated with increased risk of severe pneumonia or pneumonia of unusual aetiology (e.g., WHO acute malnutrition requiring antibiotics as per local guidelines, severe immunodeficiency) * HIV positive participant that is either i) less than 12 months old; OR ii) requires admission for this illness; OR iii) known to be uncontrolled on treatment (with a documented VL \>1000c/ml in the previous 6 months) * Caregiver unavailable at the time of enrolment, or unwilling, to provide informed consent.