(CIDRAP News) The World Health Organization (WHO) says H5N1 avian influenza has infected birds in 14 more countries since the beginning of this month, and recent genetic changes in the virus may have something to do with its rapid spread in birds.
(CIDRAP News) Two more human cases of H5N1 avian influenza have been confirmed, one in a Chinese woman who has recovered and the other in a 5-year-old Thai boy who died Dec 7, the World Health Organization (WHO) announced today.
The cases increase the human toll of the virus over the past 2 years to 137 cases, including 70 deaths, according to the WHO. Exposure to poultry is the suspected cause in both of the latest cases.
(CIDRAP News) A recent exercise that confronted international leaders with a hypothetical smallpox attack showed the potential for tensions between countries that have enough smallpox vaccine and those that don't, according to news reports.