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Will the plague pathogen become resistant to antibiotics?

el notes.

"When we identified the first Y. pestis strain resistant to multiple antibiotics, we warned that if this type of strain spreads or emerges again, it would pose a serious health problem" says co-author Elisabeth Carniel, head of the Yersinia Research Unit at the Institut Pasteur in Paris. "The discovery that the multiresistance plasmid acquired by the plague bacillus is widespread in environmental bacteria reinforces this warning".

There have been many plague epidemics in human history, and Y. pestis is believed to have killed an estimated 200 million people. Plague is now regarded as a re-emerging disease, with small outbreaks all over the world. Because plague is often fatal, Y. pestis is a potential agent for bioterrorism. There is no vaccine, but antibiotics are useful for treatment and for preventing the disease's spread. The researchers observe, "Our data imply that high levels of MDR in the causative agent of plague may rapidly evolve naturally, and present a vital biomedical, public health, and biodefense threat."
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Source:Public Library of Science


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