| distribution, prevalence, and relative risk of filariasis in dogs from the state of washington (1997-1999). | using antigen capture and filter tests, 6,078 dogs throughout the state of washington were examined for filariasis between july 1, 1997 and october 31, 1999. in western washington, 791 males and 901 females examined were outdoors, not on prophylaxis, and had traveled out of the state; 6/791 (0.8%) males and 7/901 (0.8%) females were infected with dirofilaria immitis (d. immitis), and one (0.1%) male and one (0.1%) female were infected with dipetalonema reconditum (d. reconditum). there were also ... | 2001 | 11450834 |