Tag: immunity

Yersinia pestis and Plague: Some Knowns and Unknowns

Announcing a new article publication for Zoonoses journal.   Since its first identification in 1894 during the third pandemic in Hong Kong, there has been significant progress in understanding the lifestyle of Yersinia pestis, the pathogen that is responsible for plague. Although we now have some understanding of the pathogen’s physiology, genetics, genomics, evolution, gene regulation, pathogenesis […]

Protective Immunity and Immunopathology in Ehrlichiosis

Announcing a new article publication for Zoonoses journal.  Human monocytic ehrlichiosis, a tick transmitted infection, ranges in severity from apparently subclinical to fatal toxic shock-like disease. Models in immunocompetent mice range from abortive to uniformly lethal infection, depending on the Ehrlichia species, inoculum dose, and inoculation route. Effective immunity is mediated by CD4+ T lymphocytes and gamma interferon. […]