| serum antibody prevalence for herpesvirus sylvilagus, bacillus piliformis and california serogroup arboviruses in cottontail rabbits from pennsylvania. | a serologic survey of 60 eastern cottontail rabbits (sylvilagus floridanus) from three counties in pennsylvania was conducted in march 1983. serum antibody prevalences for herpesvirus sylvilagus and la crosse virus (california serogroup) were less than 4%. there was no evidence of previous exposure to either jamestown canyon or snowshoe hare viruses (california serogroup). antibody to trivittatus virus (california serogroup) was found in 60% of the 20 cottontails from york county. no cottontails ... | 1988 | 3373643 |