Response of United Kingdom (UK) Infants to a Reduced Primary Schedule With Meningococcal C and Pneumococcal Conjugate Vaccines

Response of United Kingdom (UK) Infants to a Reduced Primary Schedule With Meningococcal C and Pneumococcal Conjugate Vaccines

The purpose of the study is to evaluate the immune responses of UK infants after one or two doses of pneumococcal conjugate vaccine or one or two doses of three different types of meningococcal conjugate vaccine given at either two and three or two and four months of age.

Inclusion Criteria:

• Written informed consent obtained from parent or legal guardian of infant
• Age 7-11 weeks at first dose

Exclusion Criteria:

• Any contraindications to vaccination as specified in the UK Handbook "Immunisation Against Infectious Disease" (Ed 1996)
• < 7 weeks or > 11 weeks at first dose