scholarly journals Highly pathogenic avian influenza (HPAI) outbreaks, South East Asia: WHO response

2004 ◽  
Vol 8 (29) ◽  
Author(s):  
Keyword(s):  
Avian Influenza ◽  
Highly Pathogenic Avian Influenza ◽  
World Health ◽  
South East Asia ◽  
Press Releases ◽  
Highly Pathogenic ◽  
Pathogenic Avian Influenza ◽  
The World ◽  
International Attention ◽  
Health Organization

Two press releases from the World Health Organization (WHO) last week have refocused international attention on highly pathogenic avian influenza (HPAI) A(H5N1)

scholarly journals Highly Pathogenic Avian Influenza A/H5N1 – update and overview of 2006

2006 ◽  
Vol 11 (51) ◽  
Author(s):  
Collective Influenza team (ECDC)
Keyword(s):  
Avian Influenza ◽  
World Health Organization ◽  
Influenza A ◽  
Highly Pathogenic Avian Influenza ◽  
World Health ◽  
Highly Pathogenic ◽  
Pathogenic Avian Influenza ◽  
The World ◽  
Health Organization ◽  
Human H5n1

As of 29 November 2006, 258 human H5N1 infections that meet its strict laboratory criteria have been reported to the World Health Organization (WHO) since reporting began for 2003

Avian influenza: update on European response

2004 ◽  
Vol 8 (6) ◽  
Author(s):  
Keyword(s):  
Avian Influenza ◽  
World Health Organization ◽  
Highly Pathogenic Avian Influenza ◽  
World Health ◽  
Ministry Of Health ◽  
Highly Pathogenic ◽  
Pathogenic Avian Influenza ◽  
The World ◽  
Health Organization

The Ministry of Health in Vietnam and the World Health Organization (WHO) have confirmed three new cases of highly pathogenic avian influenza (HPAI) A H5N1 in humans.

scholarly journals The Pattern of Highly Pathogenic Avian Influenza H5N1 Outbreaks in South Asia

2019 ◽  
Vol 4 (4) ◽  
pp. 138 ◽  
Author(s):  
Chowdhury ◽  
Hossain ◽  
Ghosh ◽  
Ghosh ◽  
Hossain ◽  
...  
Keyword(s):  
Avian Influenza ◽  
South Asia ◽  
Highly Pathogenic Avian Influenza ◽  
Winter Season ◽  
Temporal Distribution ◽  
Influenza Viruses ◽  
World Health ◽  
Highly Pathogenic ◽  
Pathogenic Avian Influenza ◽  
Hpai H5n1

Highly pathogenic avian influenza (HPAI) H5N1 has caused severe illnesses in poultry and in humans. More than 15,000 outbreaks in domestic birds from 2005 to 2018 and 861 human cases from 2003 to 2019 were reported across the world to OIE (Office International des Epizooties) and WHO (World Health Organization), respectively. We reviewed and summarized the spatial and temporal distribution of HPAI outbreaks in South Asia. During January 2006 to June 2019, a total of 1063 H5N1 outbreaks in birds and 12 human cases for H5N1 infection were reported to OIE and WHO, respectively. H5N1 outbreaks were detected more in the winter season than the summer season (RR 5.11, 95% CI: 4.28–6.1). Commercial poultry were three times more likely to be infected with H5N1 than backyard poultry (RR 3.47, 95% CI: 2.99–4.01). The highest number of H5N1 outbreaks was reported in 2008, and the smallest numbers were reported in 2014 and 2015. Multiple subtypes of avian influenza viruses and multiple clades of H5N1 virus were detected. Early detection and reporting of HPAI viruses are needed to control and eliminate HPAI in South Asia.

scholarly journals Report on avian influenza in South East and East Asia

2004 ◽  
Vol 8 (5) ◽  
Author(s):  
Collective Editorial team
Keyword(s):  
Avian Influenza ◽  
East Asia ◽  
Influenza A ◽  
Highly Pathogenic Avian Influenza ◽  
South East Asia ◽  
Highly Pathogenic ◽  
Pathogenic Avian Influenza

There are currently widespread outbreaks of Highly Pathogenic Avian Influenza (HPAI) in South East Asia that have been ongoing since late 2003. The outbreaks are due to a strain of influenza A, subtype H5N1.

scholarly journals Serological evidence of human infections with highly pathogenic avian influenza A(H5N1) virus: a systematic review and meta-analysis

BMC Medicine ◽  
2020 ◽  
Vol 18 (1) ◽  
Author(s):  
Xinhua Chen ◽  
Wei Wang ◽  
Yan Wang ◽  
Shengjie Lai ◽  
Juan Yang ◽  
...  
Keyword(s):  
Systematic Review ◽  
Avian Influenza ◽  
Influenza A ◽  
H5n1 Virus ◽  
Highly Pathogenic Avian Influenza ◽  
Meta Analysis ◽  
World Health ◽  
Virus Infections ◽  
Highly Pathogenic ◽  
Pathogenic Avian Influenza

Abstract Background Highly pathogenic avian influenza A(H5N1) virus poses a global public health threat given severe and fatal zoonotic infections since 1997 and ongoing A(H5N1) virus circulation among poultry in several countries. A comprehensive assessment of the seroprevalence of A(H5N1) virus antibodies remains a gap and limits understanding of the true risk of A(H5N1) virus infection. Methods We conducted a systematic review and meta-analysis of published serosurveys to assess the risk of subclinical and clinically mild A(H5N1) virus infections. We assessed A(H5N1) virus antibody titers and changes in titers among populations with variable exposures to different A(H5N1) viruses. Results Across studies using the World Health Organization-recommended seropositive definition, the point estimates of the seroprevalence of A(H5N1) virus-specific antibodies were higher in poultry-exposed populations (range 0–0.6%) and persons exposed to both human A(H5N1) cases and infected birds (range 0.4–1.8%) than in close contacts of A(H5N1) cases or the general population (none to very low frequencies). Seroprevalence was higher in persons exposed to A(H5N1) clade 0 virus (1.9%, range 0.7–3.2%) than in participants exposed to other clades of A(H5N1) virus (range 0–0.5%) (p < 0.05). Seroprevalence was higher in poultry-exposed populations (range 0–1.9%) if such studies utilized antigenically similar A(H5N1) virus antigens in assays to A(H5N1) viruses circulating among poultry. Conclusions These low seroprevalences suggest that subclinical and clinically mild human A(H5N1) virus infections are uncommon. Standardized serological survey and laboratory methods are needed to fully understand the extent and risk of human A(H5N1) virus infections.

scholarly journals Avian influenza: current situation in South East Asia and impact on Europe

2005 ◽  
Vol 10 (3) ◽  
Author(s):  
C S Brown ◽  
W J Paget ◽  
A Meijer
Keyword(s):  
Influenza Virus ◽  
Avian Influenza ◽  
East Asia ◽  
Avian Influenza Virus ◽  
Highly Pathogenic Avian Influenza ◽  
South East Asia ◽  
Highly Pathogenic ◽  
Pathogenic Avian Influenza ◽  
Pathogenic Avian Influenza Virus ◽  
Human Infections

Poultry outbreaks and human cases of infection with highly pathogenic avian influenza virus A(H5N1) continue to be documented in Asia, with several new human infections being reported since December 2004, following a period of 2 months when no cases were reported.

scholarly journals Avian influenza H5N1 detected in poultry in Nigeria, further human cases reported in Iraq, Indonesia and China

2006 ◽  
Vol 11 (6) ◽  
Author(s):  
Collective Editorial team
Keyword(s):  
Avian Influenza ◽  
Animal Health ◽  
World Health ◽  
Highly Pathogenic ◽  
H5n1 Avian Influenza ◽  
The World ◽  
Health Organization ◽  
Pathogenic H5n1 ◽  
Influenza H5n1 ◽  
World Organisation

Highly pathogenic H5N1 avian influenza has been detected in poultry in northern Nigeria, according to the World Organisation for Animal Health (OIE) and the World Health Organization

scholarly journals Epidemic situation of Avian influenza in Ukraine and in the world during 2019–2020

2021 ◽  
Vol 7 (1-2) ◽  
pp. 12-16
Author(s):  
M. A. Sapachova ◽  
M. I. Sushko ◽  
S. S. Mandyhra ◽  
O. M. Movchun ◽  
A. O. Skorokhod ◽  
...  
Keyword(s):  
Avian Influenza ◽  
Highly Pathogenic Avian Influenza ◽  
Influenza Viruses ◽  
Laboratory Diagnostics ◽  
State Control ◽  
Highly Pathogenic ◽  
Pathogenic Avian Influenza ◽  
The World ◽  
Commercial Poultry ◽  
Pathogenic Avian Influenza Virus

The aim of the work was to analyze current epidemic situation on highly pathogenic avian influenza worldwide and in Ukraine during 2019–2020. The research was conducted in the framework of state control of infectious animal diseases. The results of PCR tests obtained in the State Scientific and Research Institute of Laboratory Diagnostics and Veterinary and Sanitary Expertise and in regional state laboratories, data of OIE website (http://www.oie.int) in 2019 and 2020 were analyzed and summarized. During 2019–2020 outbreaks of highly pathogenic avian influenza were detected in 53 countries of the World: in Europe — 22, in Asia — 21, in Africa — 7, in America — 2, and in Australia — 1. In 2019 there was not registered any case of the highly pathogenic avian influenza in Ukraine. In 2020 nine outbreaks of avian influenza were registered in commercial poultry farms (n = 2) and backyards (n = 7) of Vinnytsia, Mykolaiv, Kyiv, and Kherson regions of Ukraine. It was confirmed that all characterized viruses were closely related and belonged to the highly pathogenic avian influenza virus H5N8 clade 2.3.4.4b identical to the avian influenza viruses currently circulating in Europe and Asia. Wild birds were identified as the main modes of HPAIV spread

scholarly journals Modelling study suggests pandemic influenza could be controlled at source

2005 ◽  
Vol 10 (32) ◽  
Author(s):  
M Cooke ◽  
J Van-Tam
Keyword(s):  
Avian Influenza ◽  
Influenza A ◽  
H5n1 Virus ◽  
Highly Pathogenic Avian Influenza ◽  
Influenza Pandemic ◽  
South East Asia ◽  
Human Influenza ◽  
Highly Pathogenic ◽  
Pathogenic Avian Influenza ◽  
Influenza Outbreaks

The highly pathogenic avian influenza A (H5N1) virus which is causing influenza outbreaks in South East Asia represents the most plausible candidate for a pandemic human influenza strain since the last influenza pandemic in 1968

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