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English Wikipedia
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Plague vaccines and the molecular basis of immunity against Yersinia pestis Quenee LE; Schneewind OHum Vaccin 2009[Dec]; 5 (12): 817-23Yersinia pestis is the causative agent of bubonic and pneumonic plague, human diseases with high mortality. Due to the microbe's ability to spread rapidly, plague epidemics present a serious public health threat. A search for prophylactic measures was initially based on historical reports of bubonic plague survivors and their apparent immunity. Due to safety and efficacy concerns, killed whole-cell preparations or live-attenuated plague vaccines are no longer considered in the United States. Vaccine developers have focused on specific subunits of plague bacteria. LcrV, a protein at the tip of type III secretion needles, and F1, the capsular pilus antigen, are both recognized as plague protective antigens. Antibodies against LcrV and F1 interfere with Y. pestis type III injection of host cells. While LcrV is absolutely essential for Y. pestis virulence, expression of F1 is dispensable for plague pathogenesis in small animals, non-human primates and presumably also in humans. Several subunit vaccines, for example rF1+rV (rYP002), rF1V or rV10, are being developed to generate plague protection in humans. Efficacy testing and licensure for human use requires the establishment of correlates for plague immunity.|Animals[MESH]|Antibodies, Bacterial/immunology[MESH]|Antigens, Bacterial/immunology[MESH]|Bacterial Proteins/immunology[MESH]|Disease Models, Animal[MESH]|Humans[MESH]|Plague Vaccine/*immunology[MESH]|Plague/*prevention & control[MESH]|Pore Forming Cytotoxic Proteins/immunology[MESH]|Primates[MESH]|Rodentia[MESH]|United States[MESH]|Vaccines, Subunit/immunology[MESH]|Yersinia pestis/*immunology/*pathogenicity[MESH] |
