Study to Evaluate Safety and Immunogenicity of Butantan Seasonal Influenza Vaccine - FLU-02-IB

Prospective cohort study to assess safety of one dose of theButantan Influenza vaccine (Fragmented and Inactivated) in the first 3 days after vaccination and its immunogenicity 21 days after vaccination among healthy adults with 18 to 59 years of age and elderly older than 60 years of age..

Inclusion criteria

• Healthy adults, male or female aged 18 to 59
• Elderly aged 60 years completed and above
• To be available to participate in the study throughout its duration (approximately 21 days)
• To have medical indication to be vaccinated against influenza
• To demonstrate intention to participate in the study, as documented by signature in the study´s informed consent form.

Exclusion criteria

• Evidence of active neurological, cardiac, pulmonary, hepatic or renal disease as clinical history and/or physical examination (except hypertension under control among the elderly)
• Compromised immune system diseases including: HIV, diabetes mellitus, cancer (except basal cell carcinoma) and autoimmune diseases
• Behavioral, cognitive or psychiatric disease that in the opinion of the principal investigator or his representative physician, affects the participant ability to understand and cooperate with all study protocol requirements
• Abusive usage of alcohol or drugs in the past 12 months that has caused medical, professional or family problems, indicated by clinical history
• Known systemic hypersensitivity to eggs or to any component of the vaccine
• History of severe adverse reaction after previous administration of an Influenza vaccine within 6 weeks following vaccination