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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.