Marydean - Good point about meningococcal.

Signs of meningococcal infection in babies and young children
The child will appear to be unwell.

Fever
Cold hands and feet despite having a fever
Refusing feeds
Fretfulness
Vomiting
Being difficult to wake
Rash of reddish purple spots or bruises
High-pitched or moaning cry
Pale or blotchy skin
In the early hours of meningococcal disease, a child might not have all of these symptoms.