(CIDRAP News) The Centers for Disease Control (CDC) has seen a change in the ethnic distribution of fatal pandemic H1N1 influenza cases, a CDC official reported at a meeting of its vaccine advisory committee today.
(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.
(CIDRAP News) – US officials this week promoted international efforts to prepare for a potential influenza pandemic, announcing an international flu surveillance partnership and promising aid to Vietnam for avian and human flu surveillance.