期刊
EXPERT REVIEW OF VACCINES
卷 15, 期 4, 页码 509-517出版社
TAYLOR & FRANCIS LTD
DOI: 10.1586/14760584.2016.1115727
关键词
vaccine infectivity; vaccine attenuation strategies; vaccine immunogenicity; vaccine efficacy; Dengue; live attenuated dengue vaccine
类别
资金
- NIH
Dengue is caused by four serotype-distinct dengue viruses (DENVs), and developing a multivalent vaccine against dengue has not been straightforward since partial immunity to DENV may predispose to more severe disease upon subsequent DENV infection. The vaccine that is furthest along in development is CYD (TM), a live attenuated tetravalent vaccine (LATV) produced by Sanofi Pasteur. Although the multi-dose vaccine demonstrated protection against severe dengue, its overall efficacy was limited by DENV serotype, serostatus at vaccination, region and age. The National Institute of Allergy and Infectious Diseases has developed the LATV dengue vaccines TV003/TV005. A single dose of either TV003 or TV005 induced seroconversion to four DENV serotypes in 74-92% (TV003) and 90% (TV005) of flavivirus seronegative adults and elicited near-sterilizing immunity to a second dose of vaccine administered 6-12 months later. The important differences in the structure, infectivity and immune responses to TV003/TV005 are compared with CYD (TM).
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