Authority ploy: "Vaccine are safe and effective because these organisation said so:"

American Medical Association (AMA)

World Health Organisation (WHO)

The US Food and Drug Administration (FDA)

The US Centre for Disease Control (CDC)

American Academy of Pediatrics (AAP, Red Book Committee)

UNICEF http://www.unicef.asso.fr/ http://www.unicefusa.org/

UK
Joint Committee on Vaccination and Immunisation

Committee on Safety of Medicines (CSM)

Medical Research Council (MRC)

The British Medical  Association (BMA)

Medicines Control Agency (MCA)

Public Health Laboratory Service (PHLS)

The Royal College of Paediatrics  and Child Health (RCPCH) 

Royal College of General Practitioners  (RCGP)

The Royal College of Nursing (RCN) http://www.rcn.org.uk/

The Community Practitioners & Health Visitors Association (CPHVA)

The Faculty of Public Health Medicine  (FPHM)