TABLE 1.

B. henselae culture and serology results for 271 pet cats

RegionNo. of catsNo. (%) culture positiveNo. (%) serum IgG positive
California9727 (28)60 (62)
Florida9431 (33)63 (67)
Chicago483 (6)6 (12)
Washington, D.C.324 (12)9 (28)