| factors associated with rabid animals since the introduction of raccoon rabies variant in massachusetts, 1992-2007. | rabies virus has been identified in 26 animal species since the introduction of the raccoon rabies variant (rrv) into the commonwealth of massachusetts in 1992. this study used data from 47,162 testable specimens, including 4538 (9.62%) rabid animals, to produce a multi-categorical logistic regression model to identify factors associated with a positive rabies laboratory test. the model was adjusted by the animal type and animal species, using the least tested and the least found rabid animal sp ... | 2010 | 19589059 |