Summary of changes in antibody titers in recaptured animals. Recaptured animals (n=93) were divided into six categories depending on how their titers to Leptospira serovars changed upon recapture. A minimum of 2 wk was required before an animal was tested again. Recaptured animals in 2008 and 2009 included raccoons (Procyon lotor) and Virginia opossums (Didelphis virginiana).