{"id":"the-third-batch-vaccine","safety":{"commonSideEffects":[{"rate":null,"effect":"Local injection site reactions (pain, redness, swelling)"},{"rate":null,"effect":"Fever"},{"rate":null,"effect":"Fatigue"}]},"_chembl":null,"_dailymed":null,"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"Vaccines work by introducing a weakened or inactivated form of a pathogen, or its antigenic components, to train the adaptive immune system to produce antibodies and cellular immunity. Upon subsequent exposure to the actual pathogen, the primed immune system can mount a rapid and effective response to prevent or reduce disease severity.","oneSentence":"This vaccine stimulates the immune system to recognize and respond to specific pathogens or disease antigens.","_ai_confidence":"low"},"_scrapedAt":"2026-03-28T00:12:13.876Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[]},"trialDetails":[{"nctId":"NCT07026500","phase":"PHASE4","title":"Clinical Trial for Batch Consistency of EV71 Vaccine","status":"COMPLETED","sponsor":"Sinovac Biotech Co., Ltd","startDate":"2019-09-19","conditions":"EV71 Vaccine","enrollment":720},{"nctId":"NCT05354024","phase":"PHASE2, PHASE3","title":"Phase II/III Randomized Clinical Trial of Booster Dose of COVID-19 (Recombinant, Inactivated) Vaccine","status":"COMPLETED","sponsor":"Butantan Institute","startDate":"2023-02-28","conditions":"Coronavirus Infections, Healthy","enrollment":4400},{"nctId":"NCT04224519","phase":"PHASE4","title":"Consistency Study for Three Commercial Lots of Inactivated Poliomyelitis Vaccine Made From Sabin Strain","status":"COMPLETED","sponsor":"Institute of Medical Biology, Chinese Academy of Medical Sciences","startDate":"2018-04-15","conditions":"Poliomyelitis","enrollment":1200},{"nctId":"NCT03893747","phase":"PHASE4","title":"Immunity and Safety of Inactivated Enterovirus 71 Vaccine Post-marketing Among Children Aged 6-35 Months in China","status":"COMPLETED","sponsor":"Jiangsu Province Centers for Disease Control and Prevention","startDate":"2019-04-01","conditions":"Hand, Foot and Mouth Disease","enrollment":3000},{"nctId":"NCT02889497","phase":"PHASE4","title":"Safety, Three Batches Consistency and Immunity Duration of the Post-marketing Inactivated Enterovirus Type 71 (EV71) Vaccine in Children Aged 6-71 Months","status":"UNKNOWN","sponsor":"Beijing Chaoyang District Centre for Disease Control and Prevention","startDate":"2016-09","conditions":"Hand Foot and Mouth Disease","enrollment":20900}],"_emaApprovals":[],"_faersSignals":[],"_approvalHistory":[],"publicationCount":39,"rwe":[],"genericFilers":[],"relatedDrugs":[],"labelChanges":[],"biosimilarFilings":[],"pricing":[],"formularyStatus":[],"manufacturing":[],"companionDiagnostics":[],"competitors":[],"timeline":[],"patents":[],"ownershipHistory":[],"trials":[],"biosimilars":[],"latestUpdates":[],"references":[],"tags":[],"ecosystem":[],"genericManufacturerList":[],"offLabel":[],"developmentCodes":[],"aliases":[],"phase":"marketed","status":"active","brandName":"the third batch vaccine","genericName":"the third batch vaccine","companyName":"Beijing Chaoyang District Centre for Disease Control and Prevention","companyId":"beijing-chaoyang-district-centre-for-disease-control-and-prevention","modality":"Biologic","firstApprovalDate":"","aiSummary":"The third batch vaccine is being studied for its safety, consistency, and immunity duration in children aged 6-71 months. It is a post-marketing inactivated Enterovirus Type 71 (EV71) vaccine, which induces an immune response through its biological vaccine component.","enrichmentLevel":3,"visitCount":0,"trialStats":{"total":0,"withResults":0},"verificationStatus":"verified","dataCompleteness":{"mechanism":true,"indications":false,"safety":true,"trials":true,"score":3}}