Additional file 1 of Avian influenza virus circulation and immunity in a wild urban duck population prior to and during a highly pathogenic H5N1 outbreak

Additional file 1. Detailed records for samples from ducks that were used in this study. Samples from the 2011–2012 period were no longer available, therefore the previously published data [38] were used and are presented as only anti-NP antibody-positive or -negative.