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In order to validate two new lots of Merieux BCG vaccine (Merieux seed derived from strain 1072), a calibration study was performed to compare their safety and immunogenicity to a full dose of the WHO-reference BCG vaccine (Tokyo strain 172) as well as the WHO-reference vaccine given at 1/10 of its normal concentration, in an open, randomized, four-arm, multicenter study in Senegal. A total of 1041...
Mycobacterium bovis Bacille Calmette-Guerin (BCG) is one of the most widely used vaccines. Modern techniques in genome manipulation allow the construction of recombinant (r)-BCG strains that can be employed as highly immunogenic vaccines against tuberculosis (TB) with an enhanced safety profile. In addition, the development of novel procedures to cultivate BCG will allow the large-scale production...
Wildlife reservoirs of Mycobacterium bovis represent serious obstacles to the eradication of tuberculosis in domestic livestock. In Michigan, USA tuberculous white-tailed deer transmit M. bovis to cattle. One approach in dealing with this wildlife reservoir is to vaccinate deer in order to interrupt the cycle of deer to deer and deer to cattle transmission. Thirty-one white-tailed deer were assigned...
European badgers (Meles meles) are a reservoir host of Mycobacterium bovis and are implicated in the transmission of tuberculosis to cattle in Ireland and Great Britain. The development of a vaccine for use in badgers is considered a key element of any campaign to eradicate the disease in livestock in both countries. In this study we have vaccinated groups of badgers with ∼5×10 5 cfu of the...
Mycobacterium bovis infects a wide range of hosts, including domestic livestock, wildlife, and humans. Development of an effective vaccine protecting against bovine tuberculosis would provide a cost-effective tuberculosis control strategy. The objective of this study was to investigate the ability of phosphatidylinositol di-mannoside (PIM 2 ) and its derivatives to modulate cell-mediated immunity...
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