N. Meningitidis Carriage Study

Inclusion Criteria:

• Subjects who the investigator believes can and will comply with the requirements of the protocol or subjects who the investigator believes that parent(s)/Legally Acceptable Representative(s) [LAR(s)] can and will comply with the requirements of the protocol.
• Written informed consent obtained from the subject/from the parent(s)/LAR of the subject.
• Asymptomatic subjects attending a school or university.
• A male or female between, and including 5 and 24 years of age at the time of enrollment.

Exclusion Criteria:

• Subjects who have received a meningococcal conjugate vaccine.
• Use of any investigational or non-registered product within one week before the enrollment visit.
• Acute respiratory tract infection within 14 days of sample collection.
• Immune deficiencies, haematological disorders and oncological disease.
• Use of steroids or immunosuppressant drugs within 14 days of sample collection.
• Administration of antibiotics within the 2 weeks preceding the collection of sample.
• Cranio-facial malformations prohibiting the collection of posterior pharyngeal swabs.
• Child in care.