LAUSR

Fast breathing as an isolated sign: respiratory rate of ≥60 breaths per minute with no signs of clinical severe infection or critical illness Clinical severe infection: not feeding well on observation, movement only when stimulated, severe chest in-drawing and axillary temperature ≥38.0°C or <35.5°C Critically ill (exclusion criteria): very low weight (<1500 g at the time of presentation), hospitalization for illness in the last 2 wk or previous inclusion in the study, any sign of critical illness [unconscious, convulsions, unable to feed at all, apnea, unable to cry, cyanosis, dehydration, bulging fontanel, major congenital malformations inhibiting oral antibiotic intake, active bleeding requiring transfusion, surgical conditions needing hospital referral and persistent vomiting (defined as vomiting after 3 attempts to feed the baby within 30 min)].