Volume 8, Number 12—December 2002
Research
Efficacy of Killed Virus Vaccine, Live Attenuated Chimeric Virus Vaccine, and Passive Immunization for Prevention of West Nile virus Encephalitis in Hamster Model
Table 1
Hemagglutination inhibition, complement fixation, and plaque reduction neutralization antibody responses of naïve adult golden hamsters that survived West Nile virus infectiona,b
Animal no. | HI antibody titer WNV antigen | CF antibody titer WNV antigenc | WNV PRN antibody titerd |
---|---|---|---|
H-8589 | 1:1280 | 1:320 | 1:10,240 |
H-8590 | 1:640 | 1:160 | 1:10,240 |
H-8591 | 1:640 | 1:320 | 1:5120 |
H-8592 | 1:640 | 1:80 | 1:2560 |
H-8593 | 1:640 | 1:160 | 1:2560 |
H-8594 | 1:1280 | 1:160 | 1:5120 |
H-8595 | 1:1280 | 1:320 | 1:10,240 |
H-8596 | 1:1280 | 1:320 | >1:20,480 |
H-8597 | 1:1280 | 1:320 | 1:5120 |
H-8598 | 1:1280 | 1:640 | 1:2560 |
aHI, hemagglutination inhibition; CF, complement fixation; PRN, plaque reduction neutralization; WNV, West Nile virus.
bAnimals 38 days after inoculation of virus strain NY385-99 (104.0 50% tissue culture infective dose50 given intraperitoneally).
cWNV antigen titer = >1:32.
dHighest serum dilution producing >90% plaque inhibition.