Bifidobacterium Lactis HN019 Supplementation for Prevention of Influenza Infection in Healthy Adults

Exclusion Criteria

• •Influenza vaccination in last 6 months, or any other vaccination in previous 15 days
• •Clinically significant underlying systemic illness that may preclude the subject's ability to complete the trial
• •Chronic nasal, laryngeal, pleural, or respiratory condition that could mimic or obscure symptoms of influenza (e.g. chronic allergic rhinitis, asthma, COPD, as determined by medical history and baseline physical examination)
• •Chronic use of medication(s) that could suppress or prevent flu-like symptoms (eg, antihistamines, cough medicines; echinacea, high-dose vitamin C)
• •Use of medication(s) within the previous 3 months that affect immune response (eg, antibiotics)
• •Contraindication to dairy products or any other substance in the study product (eg, lactose intolerance)
• •History of alcohol, drug, or medication abuse
• •Pregnant or lactating female, or pregnancy planned during study period
• •Daily consumption of probiotics, prebiotics, fermented milk, and/or yogurt within 3 months of screening
• •Participation in another study with any investigational product within 3 months of screening
• •Investigator believes that the participant may be uncooperative and/or noncompliant, and should therefore not participate in the study