Published in Vaccine Weekly, November 10th, 2004
According to recent research from Canada, "The current study determined the ability of Francisella novicida to act as a live vaccine against the much more virulent, but closely related pathogen, Francisella tularensis. Live attenuated strains of the latter are effective vaccines against human tularemia. However, the molecular cause of their attenuation remains unknown, and this is a regulatory barrier for licensing such vaccines."
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