Evaluation of Safety and Immunogenicity of Combined Immunization of PPV23 and IIV4
Influenza, Human, Pneumonia, Pneumococcal
About this trial
This is an interventional prevention trial for Influenza, Human focused on measuring 23-valent Pneumococcal Polysaccharide Vaccine, Quadrivalent Inactivated Influenza Vaccine
Eligibility Criteria
Inclusion Criteria:
- subjects aged no younger than 3 years old on the day of recruitment;
- with valid informed consent signed by parent(s) or guardian(s);
- parent(s) or guardian(s) are able to attend all scheduled appointments and comply with all study instructions;
- subjects have not received any seasonal influenza vaccine or pneumonia vaccine before;
- axillary temperature ≤37.0℃
Exclusion Criteria:
- subject who has a medical history with hypersensitiveness, eclampsia, epilepsy, cerebropathia or neurological illness;
- allergic to any ingredient of vaccine or with allergy history to any vaccine;
- subjects with immunodeficency or suspected impairment of immunologic function (e.g. caused by HIV), or subjects are in the process of immunosuppressor therapy(taking orally injecting of steroid hormone);
- administration of immunoglobulins within 30 days prior to this study;
- acute febrile disease(temperature ≥ 37.0°C) or infectious disease;
- have a clearly diagnosed history of thrombocytopenia or other coagulopathy, which might cause contraindications for subcutaneous injection;
- any serious chronic illness, acute infectious diseases, or respiratory diseases; severe cardiovascular disease, liver and kidney diseases or diabetes mellitus with complications;
- any kind of infectious, purulent, or allergic skin diseases;
- pregnant women and breastfeeding women;
- inoculated with any vaccine within 14 days of the study;
- any other factor that makes the investigator determines the subject is unsuitable for this study.
Sites / Locations
- Liucheng Community Health Services Center
- Luodong County Health Center
- Qingzhen Center for Disease Control and Prevention
- Qidong County Center for Disease Control and Prevention
Arms of the Study
Arm 1
Arm 2
Arm 3
Experimental
Active Comparator
Active Comparator
experimental group
control group A
control group B
408 subjects from experimental group will be simultaneously administrated with one dose of IIV (0.5 ml) and one dose of PPV23 (0.5 ml). Blood samples are collected before vaccination and one month (30 days) later.
408 subjects from control group A will be only administrated with one dose of IIV (0.5 ml). Blood samples are collected before vaccination and one month (30 days) later.
408 subjects from control group B will be only administrated with one dose of PPV23 (0.5 ml). Blood samples are collected before vaccination and one month (30 days) later.