The World Health Organisation has warned that an influenza pandemic is inevitable. The avian influenza H5N1 virus strain is the leading candidate to cause the next influenza pandemic. This study will test the safety and immunogenicity of a H5N1 Pandemic Influenza Vaccine in healthy adults. The Study will also assess Lot to Lot consistency of the Pandemic Influenza Vaccine.

Inclusion Criteria:

• Healthy Adults

Exclusion Criteria:

• Previous vaccination with an influenza Vaccine containing the H5N1 strain
• History of clinically significant medical conditions
• History of Guillian-Barre Syndrome or active Neurological disease