Journal of Immunology Research / 2014 / Article / Tab 2

Research Article

Multiplex Evaluation of Influenza Neutralizing Antibodies with Potential Applicability to In-Field Serological Studies

Table 2

Comparison of neutralizing activity of panel of sera collected from naturally infected turkeys with H7N3 A/turkey/Italy/2002.

Serum numberH7 positive sera (H7N3 positive, naturally infected)
GMT titres
H7N1 A/chicken/13474/99
GMT titres
H5N1 A/Vietnam/1194/04
HI titres
A/ty/Italy/9289/V02 H7N3

113201064
123201032
13256010128
14281064
15256010128
16801032
172261032
186402832
1964010128
2012801064
H7N1+1 : 1280≤1 : 10
Negatives (40 tot.)≤1 : 101 : 2

GMT titres were calculated and expressed as the reciprocal of the serum dilution at which 50% inhibition of pseudotype (IC50) entry was observed.