Published Date: 2012-01-23 20:15:23
Subject: PRO/AH/EDR> Avian influenza, human (12): Viet Nam, background
Archive Number: 20120123.1019444
AVIAN INFLUENZA, HUMAN (12): VIET NAM, BACKGROUND
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A ProMED-mail post
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ProMED-mail is a program of the
International Society for Infectious Diseases
http://www.isid.org
In this update:
[1] Viet Nam, WHO Confirmation
[2] Background
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[1] Viet Nam, WHO Confirmation
Date: Fri 20 Jan 2012
Source: World Health Organisation (WHO), CSR, Disease Outbreak News [edited]
http://www.who.int/csr/don/2012_01_20/en/index.html
As of Fri 20 Jan 2012, the Ministry of Health (MoH) has announced a confirmed case of human infection with avian influenza A (H5N1) virus.
The case was an 18-year-old male from Kien Giang province. He developed symptoms on 10 Jan 2012 and was admitted to hospital on 14 Jan 2012 but died on 16 Jan 2012. Confirmatory test results for influenza A (H5N1) were obtained on 17 Jan 2012 by the Pasteur Institute, the WHO National Influenza Centre in Ho Chi Minh City, Viet Nam.
The man was reportedly exposed to ducks. The Pasteur Institute in Ho Chi Minh City and the local health sector are conducting an outbreak investigation and response. He is the 120th person in Viet Nam to become infected with the H5N1 virus; to date, 60 of these cases have died from complications of the disease.
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Communicated by:
ProMED-mail Rapporteur Marianne Hopp
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[2] Background
Date: Mon 23 Jan 2012
From: Steve Berger <mberger@post.tau.ac.il> [edited]
As of December 2011, most cases of human infection by H5N1 influenza virus were reported in Cambodia, China, Egypt, Indonesia, Thailand and Viet Nam. In the following graph [1], note that successive peaks were reported by Viet Nam and Indonesia, followed by increasing activity in Egypt during recent years:
http://www.gideononline.com/wp/wp-content/uploads/H5N1Cases.png.
The 2nd graph [1] illustrates the fact that a disproportionately high case fatality rate has been reported among cases occurring in Indonesia: http://www.gideononline.com/wp/wp-content/uploads/H5N1Deaths.png.
References:
1. Graph tutorial at: http://www.GIDEONonline.com/wp/wp-content/uploads/Gideon-Graphs.pps=20.
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Steve Berger
Geographic Medicine
Tel Aviv Medical Center
Israel
<mberger@post.tau.ac.il>
[ProMED-mail thanks Steve Berger for making these graphs available, which display incidence and mortality rates for human cases of avian A/(H5N1) virus infection in the most severely affected countries.
Kien Giang province of Viet Nam is located in the Mekong Delta region of southern Viet Nam. The interactive HealthMap of Viet Nam can be accessed at: http://healthmap.org/r/1jtz. - Mod.CP]
See Also
Avian influenza, human (11): China (GU) 20120122.1018533Avian influenza, human (10): research moratorium 20120122.1017851
Avian influenza, human (09): Cambodia, Egypt, Indonesia, Viet Nam 20120119.1015836
Avian influenza, human (08): Cambodia (BM) WHO 20120117.1012307
Avian influenza, human (07): Cambodia (BM) 20120114.1010683
Avian influenza, human (06): Indonesia (JA) WHO 20120111.1007376
Avian influenza, human (05): Indonesia (JA) conf. 20120111.1007152
Avian influenza, human (04): Indonesia (JA) susp. 20120109.1004606
Avian influenza, human (03): China (GD), Egypt (MF), WHO 20120105.1000978
Avian influenza, human (02): China (GD) H5N1 20120103.0018
Avian influenza, human: China (GD) H5N1 20120102.0012
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