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. Author manuscript; available in PMC: 2022 Jul 6.
Published in final edited form as: Avian Dis. 2016 May;60(1 Suppl):341–345. doi: 10.1637/11103-042115-Reg

Table 1.

Prevalence of antibodies to influenza A viruses as detected by bELISA in laughing gulls sampled at Delaware Bay, New Jersey, U. S. A.

Year Number tested No. positive % positive
2010 32 23 72
2011 28 7 25
2012 14 9 64
2013 80 54 68
2014 45 28 62
Total 199 121 61