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Table 1 Mortality in chicken and serological results in ducks within outbreak areas, Cambodia, 2006-2010

From: Environmental contamination and risk factors for transmission of highly pathogenic avian influenza A(H5N1) to humans, Cambodia, 2006-2010

Description

2006

2006

2007

2008

2009

2010

Village

Village 1

Village 2

Village 3

MTC

Village 3

Village 4

Province

KS

PV

KC

KD

KC

PV

HH visited

50

119

160

1

68

56

HH with poultry morbidity/mortality

17 (34 %)

93 (78 %)

80 (50 %)

1

30 (44 %)

46 (82 %)

HH raising chickens

44

107

111

1

50

53

HH with chicken mortality >20 %

7 (16 %)

80 (75 %)

67 (60 %)

1

18 (36 %)

32 (60 %)

HH raising ducks

23

59

13

1

11

29

HH where blood samples were collected from ducks

19

33

9

1

10

4

HH with positive ducks for anti-A(H5) antibody

10 (52 %)

24 (73 %)

3 (33 %)

1

3 (30 %)

2 (50 %)

Poultry die-off Approximate start date

07 Feb 2006

15 Jan 2006

01 Feb 2007

15 Oct 2008

05 Dec 2009

25 Jan 2010

Date of symptom onset in human A(H5N1) case

14 Mar 2006

29 Mar 2006

2 Apr 2007

28 Nov 2008

11 Dec 2009

13 Apr 2010

Duration from poultry die-off to clinical onset in human case

35 days

73 days

60 days

44 days

6 days

78 days

  1. KD Kandal, KS Kampong Speu, PV Prey Veng, MTC Military training center, HH Households