{"id":"gsk-biologicals-fluarix","safety":{"commonSideEffects":[{"rate":"10–20","effect":"Injection site soreness or erythema"},{"rate":"5–15","effect":"Myalgia"},{"rate":"5–10","effect":"Headache"},{"rate":"5–10","effect":"Fatigue"},{"rate":"1–5","effect":"Low-grade fever"}]},"_chembl":null,"_dailymed":null,"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"Fluarix contains inactivated (killed) influenza virus antigens from three or four seasonal flu strains. When administered, it triggers the adaptive immune response, prompting B cells to produce neutralizing antibodies and T cells to develop cellular immunity against the included influenza strains. This immune memory protects vaccinated individuals from infection or reduces disease severity if exposed to matching circulating flu viruses.","oneSentence":"Fluarix is an inactivated influenza vaccine that stimulates the immune system to produce antibodies against seasonal influenza virus strains.","_ai_confidence":"high"},"_scrapedAt":"2026-03-28T01:14:38.960Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[{"name":"Seasonal influenza prevention in adults and children"}]},"trialDetails":[{"nctId":"NCT01051661","phase":"PHASE3","title":"Safety and Efficacy of H1N1 Vaccines in Children Aged 6 Months to Less Than 10 Years of Age","status":"COMPLETED","sponsor":"GlaxoSmithKline","startDate":"2010-02-12","conditions":"Influenza","enrollment":6154},{"nctId":"NCT01195779","phase":"PHASE2","title":"Trial to Evaluate Safety and Immunogenicity of GSK Biologicals' Influenza Vaccine GSK2584786A in Healthy 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