(CIDRAP News) – Reports of suspected human H5N1avian influenza cases among brothers in Pakistan are raising fresh fears in the global health community of human-to-human transmission of the virus, amid uncertainty about how a father-son pair in China contracted their H5N1 infections.
(CIDRAP News) This in-depth article investigates the prospects for development of vaccines to head off the threat of an influenza pandemic posed by the H5N1 avian influenza virus. Its seven parts put advances in vaccine technology in perspective by illuminating the formidable barriers to producing an effective and widely usable vaccine in a short time frame.
(CIDRAP News) Orlando, FL Julie Gerberding, MD, director of the Centers for Disease Control and Prevention (CDC), today challenged health and business leaders to stay focused on the "marathon" of preparing for an influenza pandemic.
Gerberding, speaking at a conference on business preparedness, said it's not possible to maintain high public interest in the pandemic threat indefinitely, but leaders must keep preparing anyway.
(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) A group of influenza experts convened by the World Health Organization cautioned today that governments shouldn't stockpile "pre-pandemic" H5N1 influenza vaccines now, because too little is known about the requirements for an effective vaccine.
(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) China's vice premier said today that China may see more bird outbreaks and human cases of avian influenza this spring, as the government announced plans for an intensive hunt for cases among wild birds on a major migration route, according to news services.
Jan 6, 2006 (CIDRAP News) 2005 is likely to go down as the year when avian influenza, powered by a steady rise in human cases and the spread of poultry outbreaks all the way to Eastern Europe, emerged as a high-profile global health issue.
When 2005 dawned, only 45 human cases of H5N1 avian flu, including 32 deaths, had been counted by the World Health Organization (WHO). All of those were in Vietnam and Thailand.
(CIDRAP News) Turkey today confirmed two human cases of avian influenza, contradicting earlier statements and marking the disease's first attack on people outside East Asia, according to news reports this afternoon.
(CIDRAP News) International health agencies are questioning China about a report that the country has used a human antiviral drug in poultry for years, thereby causing the H5N1 influenza virus to become resistant to the drug.