Article
Adenovirus Vector-Induced Immune Responses in Nonhuman Primates: Responses to Prime Boost Regimens
1 May 2009
Abstract excerpt
In the phase IIb STEP trial an HIV-1 vaccine based on adenovirus (Ad) vectors of the human serotype 5 (AdHu5) not only failed to induce protection but also increased susceptibility to HIV-1 infection in individuals with preexisting neutralizing Abs against AdHu5. The mechanisms underlying the increased HIV-1 acquisition rates have not yet been elucidated. Furthermore, it remains unclear if the lack of the...
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