Influenza Research and Treatment

Research Article

Avian Influenza Surveillance in the Danube Delta Using Sentinel Geese and Ducks

Table 2

Geese or duck sera with elevated serum hemagglutination inhibition assays against H5, H7, and H9 hemagglutinin antigens. Collection period: 2010–2013.
Collection siteHemagglutinin inhibition assay (% elevated)*
H5 (%)H7 (%)H9 (%)
Ceamurlia de Jos1 : 32 (1%)  
Cot Candura1 : 256 (7.7%)1 : 128 (1.3%) 
Enisala1 : 16 (3%)  
Letea1 : 16 (2.5%)1 : 64 (1%) 
Saon1 : 16 (4%)1 : 16 (1%) 
Caraorman  1 : 128 (0.5%)
A titer ≥1 : 16 was considered positive; total number of sera samples collected = 300/collection site.