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Prevention",{"name":116,"class":117},"Jiangsu Province Centers for Disease Control and Prevention","NETWORK",{"name":119,"class":120},"Anhui Provincial Center for Disease Control and Prevention","OTHER_GOV",{"name":122,"class":123},"Sichuan Provincial Center for Disease Control and Prevention","UNKNOWN","100618994","the-five-year-antibody-persistence-after-immunization-with-ipv-mmr-and-hepa-l-vaccines-100618994",false,"NCT07338851","the Five-year Antibody Persistence After Immunization With IPV, MMR and HepA-L Vaccines","Evaluation on the Persistence of Sabin Strain Inactivated Poliovirus Vaccine (Vero Cell), Combined Live Attenuated Measles, Mumps and Rubella Vaccine and Freeze-dried Live Attenuated Hepatitis A Vaccine in Chinese Children: Up to 5 Years of Follow-up","Inclusion Criteria:\n\n* Participants in the NCT04638985 or NCT04636827, and who have completed the vaccination of designated batch numbers of sIPV, MMR or HepA-L vaccines;\n* The time window from the day of enrollment to the date when the participants received the fourth dose of sIPV vaccine, the second dose of MMR vaccine, or the first dose of HepA-L vaccine was 60 to 66 months.\n* The informed consent form shall be signed by the participant or his\u002Fher legal guardian and dated.\n\nExclusion Criteria:\n\n* None.",true,"ALL",{"count":134,"type":135},600,"ESTIMATED","OBSERVATIONAL","This study evaluated the antibody persistence of Chinese children five years after they received four doses of sIPV, two doses of MMR vaccine and one dose of HepA-L vaccine.",[139,140,141,142,143],"Polio","Measles","Rubella","Mumps","Hepatitis A","NOT_YET_RECRUITING","2026-01-04",{"date":147,"type":148},"2026-01-14","ACTUAL",{"date":150,"type":135},"2026-01-30",{"date":152,"type":135},"2027-12-31",{"name":5,"class":6},6]