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South Korea: Recent bird flu outbreaks may have come from midwestern China
Yonhap news articles produced by building a network covering domestic supplies in various newspapers, broadcasting and government departments, major institutions, major corporations, media ,K-pop, K-wave, Hallyu, Korean Wave, Korean pop, Korean pop culture, Korean culture, Korean idol, Korean movies, Internet media and international agreements of the Republic of Korea.
Recent bird flu outbreaks may have come from midwestern China, ministry says
SEOUL, Dec. 15 (Yonhap) -- South Korean officials said Friday the two cases of bird flu viruses discovered last month in the country were likely to have originated from the midwest of China.
South Korea confirmed a highly pathogenic bird flu outbreak on Nov. 25 at a poultry farm in Iksan, about 230 kilometers south of Seoul, the country's first case in three years. Two additional cases of highly virulent avian influenza were discovered Nov. 27 and earlier this week, respectively, in nearby poultry farms.
Re: South Korea: Recent bird flu outbreaks may have come from midwestern China
Recent bird flu outbreaks may have come from midwestern China, ministry says SEOUL, Dec. 15 (Yonhap) -- South Korean officials said Friday the two cases of bird flu viruses discovered last month in the country were likely to have originated from the midwest of China.
South Korea confirmed a highly pathogenic bird flu outbreak on Nov. 25 at a poultry farm in Iksan, about 230 kilometers south of Seoul, the country's first case in three years. Two additional cases of highly virulent avian influenza were discovered Nov. 27 and earlier this week, respectively, in nearby poultry farms.
Genetic analysis of the N5H1 virus sample specimens from the first two cases showed traits similar to ones found in China's midwestern province of Qinghai, the Ministry of Agriculture and Fisheries said, citing test data from quarantine officials.
Officials said the genetic traits are different from those found in Southeast Asia, which reportedly caused human infections in some cases.
Test results of the latest virus discovered are scheduled to come out later in the month.
The ministry said it plans to request the U.S. Center for Disease Control and Prevention this week for in-depth analysis to assess the likelihood of human infection from the first two viruses.
South Korea remains on alert after the outbreak of the fatal virus, which is believed to have killed some 250 people worldwide since its outbreak in 2003.
The Geneva-based World Health Organization believes the virus may mutate into a highly virulent strain that can easily be transmitted among humans if left unchecked.
Re: South Korea: Recent bird flu outbreaks may have come from midwestern China
Originally posted by niman
It's Qinghai.
you mean, it's the Qinghai-strain.
That doesn't mean it came from Qinghai.
The strain existed before it entered Qinghai and it spread
over Siberia,Europe,Africa,India since then.
It would be interesting to know how/why it entered Korea
and where it will go next.
Re: South Korea: Recent bird flu outbreaks may have come from midwestern China
South Korea should release the sequences now, so we could
figure out from where it came and which birds are likely
carriers.
So other countries at risk could prepare accordingly now.
When the paper is published in a journal months later,
then it's too late.
Re: South Korea: Recent bird flu outbreaks may have come from midwestern China
Originally posted by gsgs
South Korea should release the sequences now, so we could
figure out from where it came and which birds are likely
carriers.
So other countries at risk could prepare accordingly now.
When the paper is published in a journal months later,
then it's too late.
Too late for what?
It is Qinghai in wild birds, which was known as soon as the sequence of the cleavage site was known November 25
Re: South Korea: Recent bird flu outbreaks may have come from midwestern China
Originally posted by gsgs
South Korea should release the sequences now, so we could
figure out from where it came and which birds are likely
carriers.
So other countries at risk could prepare accordingly now.
When the paper is published in a journal months later,
then it's too late.
The sequence story is clear. Not only was it clear on November 25, when the cleavage site sequences was known, but it was clear on November 23, when the details of the outbreak were known when the Qinghai link was predicted
2006 isolates of H5N1 in Afghanistan, Mongolia, and Tyva in southern Siberia have been Qinghai, signaling the continued dominance of Qinghai in migratory birds, which are the likely source of the outbreak in South Korea. Similarly, the sequence of the H5N1 from the recent fatal infection in Egypt was also the Qinghai strain, signaling more Qinghai outbreaks this season in Europe, the Middle East and Africa in birds and people
H5N1 evolves via recombination, so the sequence database provides a history of transmission and dual infections involving H5N1. This database predicts that the isolates in South Korea will share many polymorphisms with the 2006 isolates in Mongolia and Tyva. However, many additional serotypes (H3N2, H6N1, H9N2) were found in live markets in South Korea, so sharing of polymorphisms with these isolates is also possible.
Re: South Korea: Recent bird flu outbreaks may have come from midwestern China
too late to lock the chickens in their stables.
not all Qinghai are the same, there are substrains.
It's not about the cleavage site or such, just to determine
how it went to Korea. Compare e.g. the paper how it went
to Nigeria, this is important to know for the countries
in the region. But it took many months until this was published.
They should speed up the process and release the sequences now.
Why do you allow Korea to keep the sequences secret, while requiring
Indonesia to release them ?
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