Development Of A Vaccine For Leishmania Major Infection

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Infection with Leishmania causes significant morbidity and mortality worldwide. The type of Leishmania species infecting the host and the immune response generated by the host determines the spectrum of clinical disease that is seen. In particular, the pattern of cytokine production from T cells is critical for protection. At present there is no vaccine for Leishmania that is easy to administer, efficacious, and cost effective. These experiments will seek to establish a vaccine regimen that is sufficient to confer long-term protective immunity following infectious challenge in mice and primates. Experiments will specifically focus on DNA, protein and recombinant viral vaccines. In addition, these studies will evaluate the cellular and molecular mechanisms by which different vaccine formulations induce long-term protective cellular immunity.