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. 1999 Apr;73(4):3095–3101. doi: 10.1128/jvi.73.4.3095-3101.1999

TABLE 1.

Plaque reduction-neutralization titers for YF/JE chimeras and parental viruses

Virus Result fora:
NI-AS YF-AS JE-AS NI-IgG YF-IgG
YF5.2iv <1.3 3.7 <1.3 <2.2 >4.3
JE SA14-14-2 <1.3 <1.3 3.4 <2.2 <2.2
YF/JE-S <1.3 <1.3 3.1 <2.2 <1.9
YF/JE-N <1.3 <1.3 3.4 <2.2 <2.2
JE-N <1.3 <1.3 3.4 <1.5 <1.5
a

Values are the log reciprocal of the dilution yielding 50% neutralization, based on 100 PFU on LLC-MK2 cells. NI-AS, YF-AS, and JE-AS are nonimmune, YF hyperimmune, and JE hyperimmune ascitic fluids, respectively. NI-IgG and YF-IgG are purified Ig as described in Materials and Methods. 

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