GroupⅠ: HepB:3 and EV71 were injected at 6 months old, EV71 second dose was injected at 7 months old GroupⅡ: MPSV-A:1 and EV71 were injected at 6 months old, EV71 second dose was injected at 7 months old, MPSV-A:1 second dose was injected at 9 months old GroupⅢ: MR and EV71 were injected at 8 months old, EV71 second dose was injected at 9 months old GroupⅣ: JE-Land EV71 were injected at 8 months old, EV71 second dose was injected at 9 months old

GroupⅠ: HepB:3 third dose was injected at 6 months old GroupⅡ: MPSV-A:1 was injected at 6 months old, then MPSV-A:1 second dose was injected at 9 months old GroupⅢ: MR was injected at 8 months old GroupⅣ: JE-L was injected at 8 months old

GroupⅠ: EV71 was injected at 8 months old, then EV71 second dose was injected at 9 months old GroupⅡ: EV71 was injected at 8 months old, then EV71 second dose was injected at 9 months old GroupⅢ: EV71 was injected at 8 months old, then EV71 second dose was injected at 9 months old GroupⅣ: EV71 was injected at 8 months old, then EV71 second dose was injected at 9 months old

Enterovirus 71 Inactivated Vaccine

HFMD

EV71 vaccine 0.5ml per dose, Wuhan Biological Products Co., Ltd., Wuhan, Hubei Province, China 10μg HepB 0.5ml per dose, Wuhan Biological Products Co., Ltd., Wuhan, Hubei Province, China 30ug MPSV-A 0.5ml per dose, Wuhan Biological Products Co., Ltd., Wuhan, Hubei Province, China MR 0.5ml per dose, Beijiing Biological Products Co., Ltd., Beijing, China JE-L 0.5ml per dose, Chengdu Biological Products Co., Ltd., Chengdu,Sichuan Province, China

EV71 (inoculation vaccine)

Shandong Provincial Center for Disease Control and Prevention

Clinical Study on Combined Immune Effect of EV71 Inactivated Vaccine

Evaluating Immunogenicity and Safety Effect on Combined Immune Effect of EV71 Inactivated Vaccine and HepB、MPSV-A、MR、JE-L：A Multi-center Randomized Controlled Trial

The definition of EV71 vaccine positive for antibody titers <1:8 before inoculation, antibody titers ≥ 1:8 after inoculation; or before inoculation antibody titer is above 1:8,the titer after vaccination appeared more than 4 times growth.Hepatitis B vaccine seroconversion was defined as Anti-HBs<10mIU/ml before inoculation, Anti-HBs after inoculation was more than 10mIU/ml.Leprosy vaccine using ELISA detection test, measles >200U/ml positive for rubella >20U/ml positive or positive before inoculation, antibody positive growth is more than 4 times.Japanese encephalitis vaccine using PRNT test before immunization antibody titer after inoculation was less than 1:5, at 1:10, or after vaccination antibody titer than before inoculation is no less than 4 times of growth is positive. A meningococcal bactericidal antibody level in serum by micro bactericidal antibody test, the antibody titer after inoculation than before inoculation is more than 4 times growth is positive.

Blood samples from the participants were collected before and after vaccination, the changes of serum concentration and titer were determined by serum test.

Participants were provided with diary cards to record the occurrence and severity of solicited local reactions at the injection site (pain, induration, erythema, edema, pruritus) during 7 days after vaccination, solicited systemic reactions (fever, headache, fatigued, cough, myalgia, asthenia, vertigo, diarrhea), and any unsolicited adverse during 29 days after vaccination.

Shandong Province Centers for Disease Control and Prevention

Hunan Province Centers for Disease Control and Prevention

Shaanxi Province Centers for Disease Control and Prevention

Shanxi Province Centers for Disease Control and Prevention

Case histories were analyzed to grasp important characteristics of the diseases. Distribution of lymphocyte subsets from peripheral blood were examined by flow cytometry. Amplify and identify exons from gene IL-2RG by PCR and agarose gel electrophoresis, and then followed by gene sequencing.

Severe Combined Immunodeficiency

Amplify and identify exons from gene IL-2RG by PCR and agarose gel electrophoresis, and then followed by gene sequencing.

rubella/diarrhea

Clinical Study on Combined Immune Effect of EV71 Inactivated Vaccine

Clinical Characteristics and Genetic Profiles of Severe Combined Immunodeficiency in China

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