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Table 4 Distribution of AIV subtypes in Salburua according to waterbird phenology, year, isolation and host species

From: Long-term avian influenza virus epidemiology in a small Spanish wetland ecosystem is driven by the breeding Anseriformes community

Year Phenology N Isolation N Subtype Identified host (N)
2008 BR 11 8 H3N8 Anas platyrhynchos (7), ND (4)
AM 1 0 H5N2 Anas platyrhynchos (1)
2009 SM 1 0 ND ND (1)
BR 2 0 ND ND (2)
AM 1 1 H4N? ND (1)
AM 1 0 H6N5 ND (1)
AM 2 2 H7N2 Anas platyrhynchos (1), ND (1)
AM 1 0 H7N8 Anas platyrhynchos (1)
AM 1 1 H7N9 Anas platyrhynchos (1)
AM 4 1 H7N? Anas platyrhynchos (2), ND (2)
AM 4 3 H11N2 ND (4)
AM 9 6 H11N9 Anas platyrhynchos (4), ND (5)
AM 3 0 H11N? Anas platyrhynchos (2), ND (1)
AM 1 1 H7/H11; N4/N9a ND (1)
AM 2 0 ND Anas platyrhynchos (1), ND (1)
Total 2008–2009   44 23   20
2012 BR 1 0 H3N8 Anser anser (1)
BR 1 0 ND NDb (1)
2013 AM 1 1 H3N2 Anas platyrhynchos (1)
AM 1 1 H3N8 ND (1)
AM 1 0 H12N5 Anas platyrhynchos (1)
AM 1 0 ND ND (1)
W 1 0 H5N? Anas platyrhynchos (1)
2014 BR 1 0 ND Anser anser (1)
Total 2012–2014   8 2   5
Total   52 25   25
  1. AM: southward autumn migration, BR: breeding season, SM: northward spring migration, W: wintering season, N: number of samples, ND: not determined, ?: not identified.
  2. aA mixed infection, it was not possible to elucidate what haemagglutinin type corresponded to its respective neuraminidase.
  3. bThis sample pertains to a pool from 3 Fulica atra and 1 Anser anser, but whose positive unit was not possible to determine.