期刊
FRONTIERS IN IMMUNOLOGY
卷 5, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2014.00195
关键词
dengue; antibody; CD8(+) T cells; CD4(+) T cells; immunological memory; correlates of immunity; vaccines
类别
资金
- National Institute of Allergy and Infectious Diseases [U01 AI082196, R44 AI079898, R01 AI098723]
- Oregon National Primate Research Center grant [8P51 OD011092-53]
It is estimated that over 2.5 billion people are at risk for contracting dengue, a virus responsible for 50-390 million infections in addition to thousands of hospitalizations and deaths each year. There are no licensed vaccines available to combat this pathogen but substantial efforts are underway to develop live-attenuated, inactivated, and subunit vaccines that will protect against each of the four serotypes of dengue. Unfortunately, the results of a recent Phase Ilb efficacy trial involving a tetravalent live-attenuated chimeric dengue virus vaccine have raised questions with regard to our current understanding of vaccine-mediated immunity to this important flavivirus. Here, we will briefly summarize these vaccination efforts and discuss the importance of informative in vivo models for determining vaccine efficacy and the need to establish a quantitative correlate of immunity in order to predict the duration of vaccine-induced antiviral protection.
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