(CIDRAP News) A research report published last week says that the factors governing whether H5N1 avian influenza viruses can invade human cells are more complex than previously thought and have to do with the particular shape of the cell-surface sugar molecules to which viruses attach.
(CIDRAP News) In at least 25% of human infections with the H5N1 avian influenza virus, just how the person was exposed to the virus remains a mystery, according to a report by an expert panel set up by the World Health Organization (WHO).
(CIDRAP News) A recent study in Cambodia suggests that some human cases of infection with the H5N1 avian influenza virus escape detection because symptoms are mild or absent, according to a report from an international avian flu conference this week in Bangkok.
(CIDRAP News) European officials yesterday reported more evidence that one of the three types of seasonal influenza viruses is showing resistance to oseltamivir (Tamiflu) and said this represents the first clear sign that the resistant variant can spread.
(CIDRAP News) European health officials today reported signs of an increasing rate of resistance to oseltamivir (Tamiflu) in Europe's predominant subtype of influenza virus, but they cautioned that the rate seen in isolates tested so far may not reflect the real situation.
(CIDRAP News) An 11-year-old boy in northern Vietnam died recently of H5N1 avian influenza amid an ongoing spate of bird outbreaks in the country, according to news services and the World Health Organization (WHO).
(CIDRAP News) The United Nations Food and Agriculture Organization (FAO) today warned that H5N1 avian influenza levels in Indonesia's poultry are so high that conditions may be ripe for the type of viral mutation that could spark an influenza pandemic.
ATLANTA (CIDRAP News) More than 10 years after the first appearance of avian influenza H5N1, it is time to acknowledge that the virus has become entrenched in many areas and to begin grappling with its social and economic effects, leading researchers said at a scientific meeting.