NCT02538211
The Role of the Intestinal Microbiome in Enteric and Systemic Vaccine Immune Responses prevention Not Available completed NCT02220439
Does the Fecal Microbiome Influence Rotarix Immunogenicity No drug interventions Not Available Not Available completed NCT04054492
To Evaluate the Immunogenicity and Safety of Sequential Immunization Schedules of Sabin IPV and bOPV No drug interventions prevention 4 completed NCT02002156
A Study of the Interaction Between BCG And MenC Immunisation: BAM prevention 4 completed NCT04922944
Post COVID-19 Vaccination Analysis in Healthcare Worker Recipients Not Available Not Available completed NCT05431933
Study to Evaluate Eupolio(IPV)'s Safety, Long-term Protective Effect and Boosting Effect of One Booster Dose in the Three Primary Vaccination Plus Boosting Schedule, and Protective Effect in the Schedule with Bivalent OPV in Infants No drug interventions prevention 3 active_not_recruiting NCT05329064
Determining Reactogenicity and Immunogenicity of Delayed COVID-19 Vaccine Schedule in Children prevention 4 unknown_status NCT06385821
A Study to Prove Non-inferior Immunogenicity of Grippol Quadrivalent Compared to Grippol Plus No drug interventions prevention 3 completed NCT05204602
Safety and Immunogenicity of COVID-19 Vaccine Booster in Patients With Liver Diseases No drug interventions Not Available Not Available unknown_status NCT04296279
A Trial For The Study of Falciparum Malaria Protein 014 Administered Via Intramuscular Injection in Healthy Adults No drug interventions prevention 1 unknown_status NCT05923333
B. Infantis Supplementation to Improve Immunity in Infants Exposed to HIV No drug interventions treatment Not Available recruiting NCT04954651
Assessment of the Immunization Levels Against Sars-Cov2 Virus in Subjects Who Have Received EU-approved COVID-19 Vaccines No drug interventions Not Available Not Available completed NCT05825651
Long COVID and Its Associations With Health Outcomes in Older Adults No drug interventions Not Available Not Available recruiting NCT06252051
Effectiveness of Trivalent Influenza Vaccine (TIV) in Type 2 Diabetes Mellitus (T2DM) Patients With and Without Complications of Chronic Kidney Disease (CKD) No drug interventions prevention 4 completed NCT04798677
Efficacy and Tolerability of ABBC1 in Volunteers Receiving the Influenza or Covid-19 Vaccine No drug interventions other Not Available completed NCT04883177
Effectiveness and Safety of the COVID-19 Vaccination for Patients With Liver Disease (CHESS2101) No drug interventions Not Available Not Available completed NCT06142461
Safety and Immunogenicity of HPV Vaccine Administered Intradermally and Intramuscularly Via Needle-Free Injection System prevention 2 withdrawn NCT05124171
Immunogenicity and Reactogenicity Following a Booster Dose of COVID-19 mRNA Vaccine (Pfizer-BioNtech) and Two Adjuvanted Sub-unit Vaccines (SP/GSK) Administered in Adults Who Received 2 Doses of Pfizer-BioNTech mRNA Vaccine as a Primary Vaccination prevention 3 unknown_status NCT03400878
Comparing Morbidity and Mortality Effects of Two Different Strains of BCG basic_science 4 completed NCT06286488
Effectiveness and Tolerability of Influenza Vaccine in Patients at Risk for Severe and Complicated Influenza prevention 4 active_not_recruiting NCT05098600
The Epidemiology, Management and Comorbidities in Alopecia Areata in Czech Republic No drug interventions Not Available Not Available completed NCT06001606
Immunogenicity, Reactogenicity of Shingrix in SLE treatment 3 recruiting NCT05870618
Immunogenicity and Safety of DTaP or DT Vaccine in 6 Year Old Children No drug interventions prevention 4 not_yet_recruiting NCT04817917
Seroprevalence of Neutralizing Antibodies Against Japanese Encephalitis Virus Among 6 Years Old Children With 5 Different Immunization Strategies in Zhejiang Province prevention 4 unknown_status NCT05493917
A Real-world Study to Evaluate the Safety and Immunogenicity of a Third-dose Booster After Two Doses of an Inactivated COVID-19 Vaccine Not Available Not Available unknown_status NCT05237024
(VIII): The Eight Study and Immunologic Response Sub-study No drug interventions Not Available Not Available unknown_status NCT04439435
Evaluation of Immunoprotection Provided by Hepatitis B Vaccine After Birth in Healthy Children No drug interventions Not Available Not Available unknown_status NCT05028322
Evaluation of Intradermal Hepatitis B Vaccine After IMIQUIMOD's Application, in Cirrhotics Who Did Not Respond to the Usual Vaccine Regimen prevention 2 not_yet_recruiting NCT05116748
COVID19 Vaccine in SOT Adult Recipients No drug interventions Not Available Not Available completed NCT05028257
Allergy and COVID-19 Vaccines treatment 3 unknown_status NCT06066294
A Comparison of Safety and Immunogenicity of Rabies Pre Exposure Prophylaxis Regimen Between Gvt of India Approved and WHO Approved. No drug interventions prevention 3 recruiting NCT04905862
Assessment of Immune Response After Vaccination Against COVID-19 in Patients Treated With Renal Replacement Therapy No drug interventions Not Available Not Available unknown_status NCT05095844
National Vaccine Adverse Event Reporting Survey and Etiology No drug interventions Not Available Not Available unknown_status NCT05270967
FDG (Fluorodeoxyglucose) Findings After COVID-19 Vaccination No drug interventions Not Available Not Available completed NCT05482295
Immunogenicity and Safety Following In-House Recombinant Hepatitis B Vaccine in Indonesian Population (Phase III) prevention 3 not_yet_recruiting NCT05069714
One or Two Week Methotrexate Discontinuation on Efficacy of Influenza Vaccination in Rheumatoid Arthritis. treatment 3 completed NCT04854408
Evaluation of the Effect of Coronavac Vaccine (Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2 Vaccine) on Healthcare Workers' Menstrual Patterns No drug interventions Not Available Not Available completed NCT06002503
Safety, Reactogenicity and Immunogenicity of a Venezuelan Equine Encephalitis DNA Vaccine Candidate Administered by Jet Injection No drug interventions prevention 1 active_not_recruiting NCT05128721
Evaluation of Inactivated Vaccine in Healthy Adults Against Coronavirus Disease of 2019 (COVID-19) prevention 1 unknown_status NCT05546502
Safety and Immunogenicity of SARS-CoV-2 Protein Subunit Recombinant Vaccine in Healthy Children No drug interventions prevention 3 recruiting NCT06266754
The Non-Specific Immunological Effects of Providing Oral Polio Vaccine to Seniors in Guinea-Bissau prevention 4 enrolling_by_invitation NCT05195151
Modification of the COVID-19 Vaccine Response by an Intervention on the Intestinal Flora No drug interventions treatment Not Available active_not_recruiting NCT04871945
Protective Antibody Level After COVID-19 Vaccination Among Patients Under Hemodialysis No drug interventions Not Available Not Available completed NCT05154383
Effect of High-Dose Quadrivalent Influenza Vaccine (Efluelda®) Versus Standard-Dose (QIV-SD), in Subjects 65 Years of Age and Older on Innate Immunity, Including Gene Expression basic_science 4 completed NCT05409261
Evaluation of the Immunogenicity and Safety of Ad26.COV2.S's COVID-19 Vaccine prevention 2 active_not_recruiting NCT03600428
Safety of LAIV4 in Children With Asthma No drug interventions prevention 4 completed NCT04979871
SARS-CoV-2 Antibodies and Virus Neutralisation in a Cohort Vaccinted Against COVID-19 No drug interventions Not Available Not Available completed NCT03743688
Kinetics of the Immune Response to Inactivated Influenza Vaccine in Healthy Adults Not Available Not Available completed NCT05168709
Investigating COVID-19 Vaccine Immunity in Children in the Melbourne Infant Study of BCG for Allergy and Infection Reduction basic_science 4 completed NCT05268185
The BOOSTED (Booster Options Or Switching Tested for Effectiveness and Downsides Study) Trial (COVID-19) No drug interventions prevention Not Available completed NCT03176719
Non-specific Effects of Vaccination on Mortality and Morbidity No drug interventions Not Available Not Available unknown_status NCT05273541
Safety and Immunogenicity of Prime-boost Vaccination of SARS-CoV-2 in Patients With Cancer No drug interventions treatment 1 / 2 unknown_status NCT05115617
Pregnant and Lactating Individuals & Newborns COVID-19 Vaccination Prospective Cohort Study No drug interventions Not Available Not Available recruiting NCT03581734
Immunogenicity of Co-administered Oral Polio Vaccine and Oral Cholera Vaccine prevention 3 unknown_status NCT05094635
Immunogenicity Against SARS-CoV-2 in COVID-19 Close Contacts No drug interventions Not Available Not Available unknown_status NCT05749926
Immunogenicity and Reactogenicity of the Beta-variant Recombinant Protein Booster Vaccine (VidPrevtyn Beta, Sanofi) Compared to a Bivalent mRNA Vaccine (Comirnaty Original/Omicron BA.4-5, BioNTech-Pfizer) in Adults Previously Vaccinated With at Least 3 Doses of COVID-19 mRNA Vaccine prevention 3 active_not_recruiting NCT05739474
Tolerability, Safety and Immunogenicity Trial of the Flu-M Tetra Vaccine in Children No drug interventions prevention 3 recruiting NCT04268420
A Trial For The Study of Falciparum Malaria Protein 013 Administered Via Intramuscular Injection in Healthy Adults No drug interventions prevention 1 recruiting NCT05870631
Immunogenicity and Safety of DTaP or DT Vaccine in 6 Year Old Children ( DTaP/DT ) No drug interventions prevention 4 not_yet_recruiting NCT04674462
Understanding Poor Vaccine Responses to Hepatitis B Vaccination No drug interventions prevention 4 recruiting NCT05226429
UNAIR Inactivated COVID-19 Vaccine prevention 1 / 2 recruiting NCT05869201
Tolerability, Safety and Immunogenicity Trial of the Flu-M Quadro, Tetravalent Inactivated Split Influenza Vaccine No drug interventions prevention 2 / 3 completed NCT05598372
Infant Pain During Vaccination and Maternal Anxiety No drug interventions supportive_care Not Available recruiting NCT04495569
A Bridging Study of the SYN023 on Healthy Adult Subjects treatment 1 / 2 completed NCT05171946
Phase-I Study to Evaluate the Safety and Immunogenicity of a Prophylactic pDNA Vaccine Candidate Against COVID-19 in Healthy Adults No drug interventions prevention 1 not_yet_recruiting NCT05421546
Improving Vaccination in Older Adults by Inducing Autophagy With Spermidine No drug interventions basic_science Not Available completed NCT05228912
Immunization of 7 Different Vaccines Against SARS-COV-2 Across 4 Countries. No drug interventions Not Available Not Available completed NCT05057910
SARS-CoV-2 (Covid-19) RBD Antibody in My Duc Hospital Healthcare Workers No drug interventions Not Available Not Available completed NCT06091410
Immunogenicity of Concomitant Administration of COVID-19 Vaccines With Influenza Vaccines No drug interventions basic_science 4 active_not_recruiting NCT04576910
Immunogenicity and Safety of the Booster Dose of Polio Vaccine With Different Primary Sequential Schedules in China No drug interventions prevention 4 completed NCT05515081
Antibody Response and Longevity Post SARS-CoV-2 Vaccine (SARS-AB) No drug interventions health_services_research Not Available completed NCT06067555
Intradermal Influenza Vaccination basic_science 0 recruiting NCT05213455
Booster Effect of mRNA Vaccine on Antibody Response for SARS-CoV-2 After Complete Vaccination With Sinos No drug interventions Not Available Not Available unknown_status NCT05928455
The Immunogenicity and Safety Following a Heterologous Booster Dose of Recombinant SARS-CoV-2 Vaccine LYB001 prevention 0 active_not_recruiting NCT05359250
Myocardial Injury and Dysfunction Associated With COVID-19 Vaccination No drug interventions Not Available Not Available recruiting NCT02985450
A Prospective Study of HBV Immunity and HBV Vaccination in Patients With NAFLD in Canada Not Available Not Available completed NCT06515938
Study on New Strategies for Hepatitis B Virus Immunization prevention Not Available completed