(CIDRAP News) The global H5N1 avian influenza situation has not improved very much since the virus began spreading widely in 2003, and many human cases have probably gone unreported, French health experts conclude in an assessment published yesterday in Eurosurveillance.
(CIDRAP News) Indonesia recently announced two new H5N1 avian influenza deaths, and Egypt today said a 2-year-old boy tested positive for the disease, as the World Health Organization (WHO) confirmed two other cases: a Laotian woman who died and a 10-year-old Egyptian girl who is recovering.
(CIDRAP News) The World Health Organization (WHO) has confirmed the first fatal case of H5N1 avian influenza in Laos, involving a 15-year-old girl, while Chinese officials have denied new research claims that several strains of the virus originated in Guangdong province.
(CIDRAP News) The World Health Organization (WHO) yesterday confirmed Laos' first human case of H5N1 avian influenza, involving a 15-year-old girl from Vientiane, and Egypt and China also have reported new cases.
(CIDRAP News) A new subtype of H5N1 avian influenza virus has become predominant in southern China over the past year, possibly through its resistance to vaccines used in poultry, and has been found in human H5N1 cases in China, according to researchers from Hong Kong and the United States.
(CIDRAP News) The World Health Organization (WHO) today changed the H5N1 avian influenza strains recommended for candidate vaccines for the first time since 2004, causing some experts to question how far the virus has evolved.
The WHO's new prototype strains, prepared by reverse genetics, include three new H5N1 subclades.