what is the symptoms of pneumonia in babies?
['very fast breathing (in some cases, this is the only symptom)', 'breathing with grunting or wheezing sounds.', 'working hard to breathe; this can include flaring of the nostrils, belly breathing, or movement of the muscles between the ribs.', 'fever.', 'cough.', 'stuffy nose.', 'shaking chills.']