Pathfinder
Editor, Senior Moderator
World's in 'new territory' with challenging new flu virus, WHO expert says
By Helen Branswell, The Canadian PressApril 15, 2013 10:50 AM
TORONTO - There has been bird flu. And swine flu. But the world is on new flu ground when it comes to the H7N9 virus that recently erupted in China, the World Health Organization's senior flu expert said Friday.
...
Though its genetic blueprint makes clear it is a bird flu virus, H7N9 carries a number of mutations that indicate it is partially adapted to infecting mammals ? which may help explain the rapidly accumulating human cases.
...
"I think we are genuinely in new territory here in which the situation of having something that is low path in birds (yet) appears to be so pathogenic in people," Dr. Keiji Fukuda, the WHO's assistant director-general for health security and environment, said in an interview.
"And then to have those genetic changes ... I simply don't know what that combination is going to lead to."
...
"Almost everything you can imagine is possible. And then what's likely to happen are the things which you can't imagine," Fukuda, who spent years as an influenza epidemiologist at the U.S. Centers for Disease Control before joining the WHO, said of the virus he has studied for so long.
...
Full text:
http://www.ottawacitizen.com/health...+expert+says/8236633/story.html#ixzz2QYPILCXR
By Helen Branswell, The Canadian PressApril 15, 2013 10:50 AM
TORONTO - There has been bird flu. And swine flu. But the world is on new flu ground when it comes to the H7N9 virus that recently erupted in China, the World Health Organization's senior flu expert said Friday.
...
Though its genetic blueprint makes clear it is a bird flu virus, H7N9 carries a number of mutations that indicate it is partially adapted to infecting mammals ? which may help explain the rapidly accumulating human cases.
...
"I think we are genuinely in new territory here in which the situation of having something that is low path in birds (yet) appears to be so pathogenic in people," Dr. Keiji Fukuda, the WHO's assistant director-general for health security and environment, said in an interview.
"And then to have those genetic changes ... I simply don't know what that combination is going to lead to."
...
"Almost everything you can imagine is possible. And then what's likely to happen are the things which you can't imagine," Fukuda, who spent years as an influenza epidemiologist at the U.S. Centers for Disease Control before joining the WHO, said of the virus he has studied for so long.
...
Full text:
http://www.ottawacitizen.com/health...+expert+says/8236633/story.html#ixzz2QYPILCXR