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Online Discussion: Tracking new emerging diseases and the next pandemic; Now tracking the Aussie Flu.

Feel good news title?

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oriel View Drop Down
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    Posted: May 06 2013 at 3:54pm
CDC: Current China Bird Flu Strain Can't Cause Pandemic

NEW YORK — The head of the U.S. Centers for Disease Control and Prevention says the current strain of bird flu that is causing illness and deaths in China cannot spark a pandemic in its current form - but he added that there is no guarantee it will not mutate and cause a serious pandemic.

In an exclusive interview at the Reuters Health Summit in New York, Dr. Thomas Frieden, director of the CDC, said more than 2,000 people have been in contact with infected individuals, and only a handful have become ill.

Virtually all of the rest have had direct contact with poultry, the identified cause of the virus.


FILE - Dr. Thomas R. Frieden, is shown at the agency's headquarters, Sept. 3, 2009.
"This particular virus is not going to cause a pandemic because it doesn't spread person-to-person," Frieden said. "But all it takes is a bit of mutation for it be able to go person-to-person.  I cannot say with certainty whether that will happen tomorrow, within 10 years or never."

The new strain of bird flu known as H7N9, which began infecting people in February, has so far sickened at least 127 people and killed 27. According to the latest CDC estimates, the flu kills about 20 percent of the people it infects.

The United States has been working closely with Chinese health officials, and has recently distributed test kits to detect this new strain of flu, which has never before appeared in humans.

Tests by Chinese health officials have found the virus in chickens, ducks and pigeons, but Frieden said it is not yet clear how the virus spreads in birds.

New strains of flu present a threat because if they do become easily transmissible, they might quickly spread around the globe, attacking individuals who have no natural defense against the virus.

The CDC has activated its Emergency Operations Center to monitor the disease and currently has 193 staff working on H7N9.

"We've got a team working in China, Laos, Cambodia and Vietnam," he said.

Frieden said there are several factors that make this particular virus especially worrisome.

An analysis of the genetic code of the virus shows that it has receptors that bind to the lower respiratory tract of people, much like the more familiar bird flu strain known as H5N1.

"That is why it's causing severe disease," Frieden said.

But it also has receptors that bind to the upper respiratory tract of people, which may explain why it is more transmissible from birds to people than H5 appears to be, he said.

And unlike H5N1, which caused severe disease in poultry, this new virus does not, which may make it more difficult to control because researchers will not be able to cull poultry flocks.

Frieden said even with H5, it took 18 months from the emergence of the virus until the 100th case. By comparison, it took only about one month from the emergence of H7 until the 100th case.

"If you look at the geographic spread of H5, within a couple of years it was all over Asia, into Africa, into the Middle East," he said.

Frieden said he cannot predict what the spread of H7 will be in birds, though he said he is concerned it may be quite wide.

"If there is evolution in the virus, it could go person-to-person, and that could cause severe pandemic," he said.

In the United States, the CDC has developed and distributed H7N9 test kits, given to states and to several countries.

Frieden said the agency is working on flu vaccines for the virus and clinical trials could begin in the summer.



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Suzi View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Suzi Quote  Post ReplyReply Direct Link To This Post Posted: May 06 2013 at 4:05pm
When I read this earlier today I thought, OK now its a little easier for China to let go of some info.
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jacksdad View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jacksdad Quote  Post ReplyReply Direct Link To This Post Posted: May 06 2013 at 4:21pm
" The head of the U.S. Centers for Disease Control and Prevention says the current strain of bird flu that is causing illness and deaths in China cannot spark a pandemic in its current form - but he added that there is no guarantee it will not mutate and cause a serious pandemic."

So the non-pandemic strain won't cause a pandemic unless it mutates to a pandemic form. Glad we cleared that one up  Thumbs Up
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"Any community that fails to prepare, with the expectation that the federal government will come to the rescue, will be tragically wrong." Michael Leavitt, HHS Secretary.
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oriel View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote oriel Quote  Post ReplyReply Direct Link To This Post Posted: May 06 2013 at 4:27pm
Well put Jacksdad.
The title was all spin.
In all things there is the possibility of evolution or revolution
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debbiencusa View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote debbiencusa Quote  Post ReplyReply Direct Link To This Post Posted: May 06 2013 at 10:14pm
We all found this article and have similar feelings about it. I see it as dangerous as heck, so many people dont even read the story just the headline. The article is also misleading to those who do not get how easy that gene mutation happens either.
God Bless
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Suzi Quote  Post ReplyReply Direct Link To This Post Posted: May 07 2013 at 3:37am
I think the purpose is to provide cover for China. They know if there are large numbers to report it will scare people.
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