| capillaria hepatica (bancroft) in select rat populations of hartford, connecticut, with possible public health implications. | capillaria hepatica was found in 82% of 86 norway rats (rattus norvegicus) trapped in hartford, connecticut between february and november 1975. adults were parasitized more frequently than juveniles and infection rate did not differ between sexes. rats demonstrated a low intensity of infection, with 9% having extensive liver involvement. a seasonal variation in infection rate may have been a manifestation of environmental factors, cannibalism, and predation. | 1979 | 448586 |