Fig. 2From: Flea index predicts plague epizootics among great gerbils (Rhombomys opimus) in the Junggar Basin China plague focusA ROC curve of the flea index for predicting plague epizootics confirmed by Y. pestis-positive great gerbils; B ROC curve of the flea index for predicting plague epizootics confirmed by anti-F1 antibody-positive great gerbilsBack to article page