Volume 13, Number 6—June 2007
West Nile Virus Viremia in Eastern Chipmunks (Tamias striatus) Sufficient for Infecting Different Mosquitoes
|Chipmunk no.||Experiment no.||WNV dose*||Day of death†||Microscopic lesions‡/WNV antigen§¶
*Log10 PFU of WNV.
†Day of death, day postinoculation that death occurred by euthanasia (E) if a chipmunk had symptoms that prevented it from ambulating to or consuming water or food; S, death associated with sampling; U, cause of death not determined.
‡By histologic examination, lesions were not present (–), mild (+), moderate (++), or severe (+++).
§By histologic examination, WNV antigen was absent (–), mild (+), moderate (++), or extensive (+++).
¶Organs with no detectable lesions or WNV antigen included heart, lung, adrenal and salivary glands, large intestine, pancreas, and urinary bladder.