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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Virus Res. 2010 Jun 22;152(1-2):85–95. doi: 10.1016/j.virusres.2010.06.009

Table 2.

Antigenic analyses of APMV-2 strains Yucaipa, Bangor, England and Kenya using antisera from chickens infected with the individual strains.

APMV-2 antiserum APMV-2 strains Cross HI titer a Neutralization titer b
Yucaipa 160 40
strain Yucaipa Bangor 20 10
England 40 40
Kenya 40 40
Yucaipa 20 10
strain Bangor Bangor 80 40
England 40 20
Kenya 40 20
Yucaipa 40 20
strain England Bangor 40 20
England 160 80
Kenya 160 40
Yucaipa 80 20
strain Kenya Bangor 40 20
England 320 40
Kenya 640 80
a

Cross HI titer is the reciprocal of the highest dilution of antisera that inhibited 4 HA units of the virus.

b

Neutralization titer was defined as the reciprocal of highest dilution of antisera that caused 50% reduction in the number of infected wells compared to the positive control wells.