Gorshkov O V, Savostina E P, Popov Iu A, Plotnikov O P, Vinogradova N A, Solodovnikov N S
Russian Plague Control Institute Mikrob, Saratov.
Mol Gen Mikrobiol Virusol. 2000(3):12-7.
Seven genetic variants of Yersinia pestis were detected by finger-printing of 85 strains of this bacterium from natural foci by means of a BX probe. Variants of Y. pestis strains correlate with certain species of carriers.