Tracking the next pandemic: Avian Flu Talk |
WHO updates H7N9 cases,reveals possible vector |
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carbon20
Moderator Joined: April 08 2006 Location: West Australia Status: Offline Points: 65816 |
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Posted: March 15 2015 at 6:04pm |
WHO updates H7N9 cases as study reveals possible vectorFiled Under: | Mar 12, 2015 society_finch-malik_braun.jpg / Flickr cc The World Health Organization (WHO) yesterday said that China on Mar 9 notified it of 59 more lab-confirmed H7N9 avian influenza infections, 17 of them fatal, and US researchers noted that the virus can easily pass between finches and quail. Several Chinese provinces and cities have been announcing confirmations of new H7N9 cases as they occur, but little detailed overall information has come from the central government during the third wave of infections, which started in October, except for periodic updates to the WHO. Most cases had poultry exposureThe cases span epidemiologic weeks 4 through 9, with illness onsets that range from Jan 21 to Jan 25. Three quarters of the patients (44) were male, and 49 had exposure to live poultry or live-poultry markets. Exposure history wasn't known or isn't available for six of the cases. Three family clusters consisting of two cases each occurred among the 59 cases. Four of those individuals had been exposed to live poultry or live-poultry markets, one had no poultry exposure, and the exposure in one case is still under investigation. Recent cases were reported in nine of China's provinces, with more than half (35) from Guangdong. Others included Zhejiang (11), Anhui (4), Jiangsu (3), Hunan (2), and one each from Fujian, Guizhou, Jiangxi, and Shanghai. The WHO said in a Mar 3 report on flu at the human-animal interface that it had received reports of 602 H7N9 infections from China, 227 of them fatal. A case list based on the most recent reports from provincial, local, and other official sources kept by *******, an infectious disease news message board, puts the most recent total at 643 cases. Transmission studyIn other H7N9 developments, researchers from St Jude Children's Research Hospital in Memphis, Tenn., yesterday reported that the virus can spread easily between finches and quail through shared water, suggesting that passerine birds may be vectors that spread the virus to poultry. The team published its findings in Emerging Infectious Diseases. The group had previously shown that finches, sparrows, and parakeets are susceptible to the virus and can shed H7N9 into water. In their follow-up study, they tested interspecies transmission between finches and chickens and between finches and quail in adjoining cages with and without a shared water source. The researchers used both human and avian H7N9 viruses. They found that waterborne, but not airborne, transmission of both human and avian H7N9 viruses occurred between the finches and poultry, but the quail were more susceptible than the chickens. The group concluded that finches, and probably other small birds, can spread the virus to poultry through shared water sources. See also: Mar 11 WHO statement |
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Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.🖖
Marcus Aurelius |
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arirish
Admin Group Joined: June 19 2013 Location: Arkansas Status: Offline Points: 39215 |
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No H7N9 news out of China for almost a week! Good news or Bad? Are they getting control or has the stuff hit the fan?
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Buy more ammo!
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jacksdad
Executive Admin Joined: September 08 2007 Location: San Diego Status: Offline Points: 47251 |
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"No news is good news" doesn't apply in China.
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"Buy it cheap. Stack it deep"
"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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arirish
Admin Group Joined: June 19 2013 Location: Arkansas Status: Offline Points: 39215 |
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I would have thought if there were no cases they would be bragging about it! Makes me wonder!
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Buy more ammo!
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arirish
Admin Group Joined: June 19 2013 Location: Arkansas Status: Offline Points: 39215 |
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Still no cases reported for over a week!
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Buy more ammo!
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Albert
Admin Joined: April 24 2006 Status: Offline Points: 47746 |
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I believe the cases will taper off now in China like they did this time last year. Although, China usually puts a kibosh on updates and reporting cases after awhile. And at that point the WHO won't get any updates.
Quite remarkable how many different flu strains that are going around these days. India has another H5N1 outbreak underway, along with having 31,000 swine flu cases. I swear this darn pandemic powder keg is going to blow soon, depending on how we define soon. |
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