Clinical criteria for suspected pneumonia, meningitis, and septicaemia.

aRaised respiratory rate for age is defined as greater than 50 breaths per minute for children at least 2 months but less than 12 months, and as greater than 40 breaths per minute for children at least 12 months but less than 60 months.bImpaired consciousness is defined as V, P, or U on the AVPU score, where A is if the patient is alert, V if responsive to verbal stimulus, P if responsive to pain stimulus, and U if unresponsive.cProstration is defined as inability to drink or breast feed, or to remain in a seated position in a child otherwise able to do so.dSevere malnutrition is defined according to the WHO definition.