A baby is not able to tell his/her caretakers that she/he is sick. What would help us to find out (a) that the baby is sick? (b) what is the sickness?
(a) The symptoms like body temperature, fever, cough, cold, loose-motions, non-stop crying improper or no food intake etc. would help up to find that the baby is sick. (b) The symptoms could help us to find out the sickness of the body,