Prevalence of antibodies against avian influenza A (H5N1) virus among Cullers and poultry workers in Ho Chi Minh City, 2005.

Between 2003 and 2005, highly pathogenic avian influenza A (H5N1) viruses caused large scale outbreaks in poultry in the Ho Chi Minh City area in Vietnam. We studied the prevalence of antibodies against H5N1 in poultry workers and cullers who were active in the program in Ho Chi Minh City in 2004 an...

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Main Authors: Constance Schultsz, Van Dung Nguyen, Le Thanh Hai, Quang Ha Do, J S Malik Peiris, Wilina Lim, Jean-Michel Garcia, Dac Tho Nguyen, Thi Hoang Lan Nguyen, Huu Tho Huynh, Xuan Thao Phan, H Rogier van Doorn, Van Vinh Chau Nguyen, Jeremy Farrar, Menno D de Jong
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2009-11-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC2776305?pdf=render
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author Constance Schultsz
Van Dung Nguyen
Le Thanh Hai
Quang Ha Do
J S Malik Peiris
Wilina Lim
Jean-Michel Garcia
Dac Tho Nguyen
Thi Hoang Lan Nguyen
Huu Tho Huynh
Xuan Thao Phan
H Rogier van Doorn
Van Vinh Chau Nguyen
Jeremy Farrar
Menno D de Jong
author_facet Constance Schultsz
Van Dung Nguyen
Le Thanh Hai
Quang Ha Do
J S Malik Peiris
Wilina Lim
Jean-Michel Garcia
Dac Tho Nguyen
Thi Hoang Lan Nguyen
Huu Tho Huynh
Xuan Thao Phan
H Rogier van Doorn
Van Vinh Chau Nguyen
Jeremy Farrar
Menno D de Jong
author_sort Constance Schultsz
collection DOAJ
description Between 2003 and 2005, highly pathogenic avian influenza A (H5N1) viruses caused large scale outbreaks in poultry in the Ho Chi Minh City area in Vietnam. We studied the prevalence of antibodies against H5N1 in poultry workers and cullers who were active in the program in Ho Chi Minh City in 2004 and 2005.Single sera from 500 poultry workers and poultry cullers exposed to infected birds were tested for antibodies to avian influenza H5N1, using microneutralization assays and hemagglutination inhibition assay with horse blood. All sera tested negative using microneutralization tests. Three samples showed a 1ratio80 titer in the hemagglutination inhibition assay.This study provides additional support for the low transmissibility of clade 1 H5N1 to humans, but limited transmission to highly exposed persons cannot be excluded given the presence of low antibody titers in some individuals.
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spelling doaj.art-642d659ccc0641dd90f7e5e8f9c90e3f2022-12-22T00:16:26ZengPublic Library of Science (PLoS)PLoS ONE1932-62032009-11-01411e794810.1371/journal.pone.0007948Prevalence of antibodies against avian influenza A (H5N1) virus among Cullers and poultry workers in Ho Chi Minh City, 2005.Constance SchultszVan Dung NguyenLe Thanh HaiQuang Ha DoJ S Malik PeirisWilina LimJean-Michel GarciaDac Tho NguyenThi Hoang Lan NguyenHuu Tho HuynhXuan Thao PhanH Rogier van DoornVan Vinh Chau NguyenJeremy FarrarMenno D de JongBetween 2003 and 2005, highly pathogenic avian influenza A (H5N1) viruses caused large scale outbreaks in poultry in the Ho Chi Minh City area in Vietnam. We studied the prevalence of antibodies against H5N1 in poultry workers and cullers who were active in the program in Ho Chi Minh City in 2004 and 2005.Single sera from 500 poultry workers and poultry cullers exposed to infected birds were tested for antibodies to avian influenza H5N1, using microneutralization assays and hemagglutination inhibition assay with horse blood. All sera tested negative using microneutralization tests. Three samples showed a 1ratio80 titer in the hemagglutination inhibition assay.This study provides additional support for the low transmissibility of clade 1 H5N1 to humans, but limited transmission to highly exposed persons cannot be excluded given the presence of low antibody titers in some individuals.http://europepmc.org/articles/PMC2776305?pdf=render
spellingShingle Constance Schultsz
Van Dung Nguyen
Le Thanh Hai
Quang Ha Do
J S Malik Peiris
Wilina Lim
Jean-Michel Garcia
Dac Tho Nguyen
Thi Hoang Lan Nguyen
Huu Tho Huynh
Xuan Thao Phan
H Rogier van Doorn
Van Vinh Chau Nguyen
Jeremy Farrar
Menno D de Jong
Prevalence of antibodies against avian influenza A (H5N1) virus among Cullers and poultry workers in Ho Chi Minh City, 2005.
PLoS ONE
title Prevalence of antibodies against avian influenza A (H5N1) virus among Cullers and poultry workers in Ho Chi Minh City, 2005.
title_full Prevalence of antibodies against avian influenza A (H5N1) virus among Cullers and poultry workers in Ho Chi Minh City, 2005.
title_fullStr Prevalence of antibodies against avian influenza A (H5N1) virus among Cullers and poultry workers in Ho Chi Minh City, 2005.
title_full_unstemmed Prevalence of antibodies against avian influenza A (H5N1) virus among Cullers and poultry workers in Ho Chi Minh City, 2005.
title_short Prevalence of antibodies against avian influenza A (H5N1) virus among Cullers and poultry workers in Ho Chi Minh City, 2005.
title_sort prevalence of antibodies against avian influenza a h5n1 virus among cullers and poultry workers in ho chi minh city 2005
url http://europepmc.org/articles/PMC2776305?pdf=render
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