{"editorial":{"content_id":"d6820acf-6463-41d1-a8d1-a849a05b6e46","slug":"anvisa-20261103-d8f2cd","content_type":"news","title":"巴西Anvisa确定2027年流感疫苗毒株组成","summary":"巴西国家卫生监督局发布规范性指令，确定2027年巴西流感疫苗应包含的病毒毒株及标签要求。","body":"巴西国家卫生监督局（Anvisa）已确定2027年巴西使用的流感疫苗应包含的病毒毒株，并于11月3日（周二）在规范性指令475/2026中公布。南半球疫苗自2027年2月1日起在巴西使用。\n\nAnvisa表示，毒株组成的变更对疫苗有效性至关重要，因为病毒会适应并发生变异。世界卫生组织（WHO）定期分析传播最频繁的流感病毒亚型，以提高免疫效果。依照WHO建议，Anvisa每年发布次年使用的流感疫苗组成。\n\n针对南半球、自2027年2月1日起在巴西使用的疫苗，基于鸡蛋技术的疫苗须包含三种毒株组合；非鸡蛋基疫苗也须包含指定毒株：A/Missouri/11/2025 (H1N1)pdm09、A/Darwin/1454/2025 (H3N2)、B/Pennsylvania/14/2025（Victoria系）。免疫产品标签须注明“CEPAS 2027 HEMISFÉRIO SUL”。\n\n针对北半球2026—2027季节的疫苗，仅用于卫生部在巴西特定地区开展的专项活动，须包含三种毒株组合：A/Missouri/11/2025、A/Darwin/1454/2025 (H3N2)、B/Tokyo/EIS13-175/2025（B/Victoria系）。此类疫苗标签须注明“CEPAS 2026-2027 HEMISFÉRIO NORTE”。","why_it_matters":null,"cbi_observation":null,"direction_tag":"巴西","primary_category":"科技平台","secondary_topics":["政策","合规","br-health"],"content_level":"编辑整理","event_type":"政策法规","audience_tags":[],"event_location":null,"verification_status":"source_verified","published_at":"2026-11-03T23:01:32.996Z","display_date":"2026-11-03","source_published_at":null,"source_url":"https://www.gov.br/anvisa/pt-br/assuntos/noticias-anvisa/anvisa-define-composicao-das-vacinas-contra-a-gripe-para-2027","source_name":"Anvisa","source_language":"pt","author_name":"编辑部","risk_level":"low","risk_flags":["compliance_risk"],"opportunity_flags":[],"trend_signals":[]},"intelligence":{"intel_id":"6fb8470f-1c9a-4372-8dfe-046b47b12428","version":1,"event_type":"政策发布","event_date":"2026-11-03","main_entities":[{"name":"巴西国家卫生监督局（Anvisa）","role":"发布规范性指令475/2026，确定2027年流感疫苗毒株组成和标签要求","type":"regulator","country":"巴西","normalized_name":null},{"name":"规范性指令475/2026","role":"规定南半球2027年及北半球2026—2027季节流感疫苗的毒株和标签要求","type":"policy","country":"巴西","normalized_name":null},{"name":"巴西卫生部","role":"北半球2026—2027季节疫苗仅用于其特定地区专项活动","type":"government_body","country":"巴西","normalized_name":null}],"main_action":"Anvisa发布规范性指令475/2026，确定2027年巴西流感疫苗毒株及标签要求","key_numbers":[{"unit":"号","label":"规范性指令编号","value":"475/2026"},{"unit":"日期","label":"南半球疫苗在巴西启用日期","value":"2027-02-01"},{"unit":"株","label":"南半球疫苗指定毒株数","value":"3"},{"unit":"株","label":"北半球疫苗指定毒株数","value":"3"}],"facts":[{"verified":false,"statement":"Anvisa在规范性指令475/2026中公布2027年巴西流感疫苗应包含的病毒毒株。","source_excerpt":null},{"verified":false,"statement":"南半球疫苗自2027年2月1日起在巴西使用。","source_excerpt":null},{"verified":false,"statement":"南半球疫苗须包含A/Missouri/11/2025 (H1N1)pdm09、A/Darwin/1454/2025 (H3N2)、B/Pennsylvania/14/2025（Victoria系）三种毒株组合。","source_excerpt":null},{"verified":false,"statement":"南半球免疫产品标签须注明“CEPAS 2027 HEMISFÉRIO SUL”。","source_excerpt":null},{"verified":false,"statement":"北半球2026—2027季节疫苗仅用于巴西卫生部在巴西特定地区开展的专项活动，须包含A/Missouri/11/2025、A/Darwin/1454/2025 (H3N2)、B/Tokyo/EIS13-175/2025（B/Victoria系）三种毒株组合。","source_excerpt":null},{"verified":false,"statement":"北半球2026—2027季节疫苗标签须注明“CEPAS 2026-2027 HEMISFÉRIO NORTE”。","source_excerpt":null}],"assessments":[{"statement":"Anvisa按WHO建议年度确定次年流感疫苗毒株，属于常规公共卫生监管更新，而非突发风险事件。","confidence":"high","basis_fact_index":null},{"statement":"2027年南半球流感疫苗生产商需在2027年2月1日前完成指定三毒株组合及标签“CEPAS 2027 HEMISFÉRIO SUL”的合规准备。","confidence":"high","basis_fact_index":null},{"statement":"北半球2026—2027季节疫苗在巴西的使用范围受限，仅用于卫生部特定地区专项活动。","confidence":"high","basis_fact_index":null},{"statement":"非鸡蛋基疫苗同样需包含指定毒株，表明技术路线不改变毒株合规要求。","confidence":"medium","basis_fact_index":null}],"actions":[{"target":"both","priority":"high","description":"核对规范性指令475/2026原文，确认2027年南半球疫苗毒株和标签合规细节。"},{"target":"user","priority":"high","description":"疫苗生产商和进口商评估2027年南半球产品毒株更新及标签调整时间表。"},{"target":"both","priority":"normal","description":"跟踪巴西卫生部北半球2026—2027季节疫苗专项活动的适用地区和采购安排。"}],"affected_audience":["流感疫苗生产商","疫苗进口商和分销商","疫苗接种服务机构","巴西卫生部专项活动执行机构"],"risk_flags":["compliance_risk"],"opportunity_flags":[],"trend_signals":[],"follow_up_needed":true,"follow_up_questions":["规范性指令475/2026全文及是否存在过渡期或豁免安排？","北半球2026—2027季节疫苗在巴西特定地区的专项活动范围和采购安排如何？","非鸡蛋基疫苗除毒株组成外是否还有额外注册或标签要求？"],"related_topics":["流感疫苗","Anvisa","规范性指令475/2026","毒株组成","疫苗标签","WHO","南半球","北半球"],"verification_status":"unverified","confidence_score":0.7,"generated_at":"2026-11-03T23:01:55.688Z"},"meta":{"canonical_url":"https://chinabrazilinsight.com/news/anvisa-20261103-d8f2cd","api_url":"https://chinabrazilinsight.com/api/public/content/anvisa-20261103-d8f2cd","markdown_url":"https://chinabrazilinsight.com/api/public/content/anvisa-20261103-d8f2cd?view=markdown","json_url":"https://chinabrazilinsight.com/api/public/content/anvisa-20261103-d8f2cd?view=json","last_updated":"2026-11-03T23:01:55.800Z","platform":"China Brazil Insight","platform_url":"https://chinabrazilinsight.com"}}