Meningococcal Septicaemia symptoms may include:

- Vomiting or Nausea
- Fever
 -Lethargy or drowsiness
- Irritable and/or confused
- Cold hand and/or feet
- Body aches and pains
- Rash (may develop in later stage)

Meningococcal Meningitis symptoms may include:

- Vomiting or Nausea
- Fever
 -Lethargy or drowsiness
- Irritable and/or confused
- Headache
- Stiff and/or painful neck
- Dislike to lights
- Rash (only half of adults and children will develop a rash)

Young children and babies may have less specific symptoms. These may include irritability, difficulty walking or lethargy, refusal to eat and high pitched crying