Volume 9, Number 9—September 2003
DNA Vaccine for West Nile Virus Infection in Fish Crows (Corvus ossifragus)
|Placebo||5||3.8 (0.4)||5||4.8 (0.4)|
aIM, intramuscularly. Crows were inoculated IM with 0.5 mg of the DNA vaccine. Oral, crows were given 0.5 mg of the DNA vaccine orally. Placebo, crows were inoculated IM with 0.5 mg of nonspecific DNA and given 0.5 mg of nonspecific DNA orally.
bLogarithm mean peak viremia in crows bled every third day after challenge (S.E.). A value
of 1.7 was assigned to birds from which no virus was detected for calculation of mean and S.E.