The purpose of this study is to assess the long-term protection against HBV infection in adult subjects, aged 18-40 years vaccinated with three or four doses of Engerix-B 20 to 30 years ago

NIAID Data Ecosystem30

An Open Single Centre Study to Evaluate the Long-term Antibody Persistence and Immune Memory Between 16 and 20 Years After the Primary Study HAB-032 (208127/022) in Which Healthy Adults Were Vaccinated With Twinrix Adult Following a Three-dose Schedule.

疫苗免疫持久性

联合疫苗接种

This study will evaluate the persistence of the immune response to HAV (hepatitis A virus) antigens and HBs (hepatitis B surface) antigens in healthy adults previously vaccinated with Twinrix™ Adult i

DataCite Commons2025-05-01 更新10

Comparisons of CD4+ T cells, serological responses and antibody titers against SARS-CoV-2 Variants

疫苗免疫持久性

群体免疫差异分析

To analyze how immune responses compare among ethnic groups following a third COVID-19 vaccine dose, approximately two years later.

Immunology Database and Analysis Portal2025-10-30 更新40

Peripheral blood BCR-H CDR3 repertoire after 4 years of HBV vaccination

免疫组库分析

疫苗免疫持久性

9 peripheral blood BCR-H CDR3 repertoire samples after 4 years of HBV vaccination

NIAID Data Ecosystem20