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Vietnam to vaccinate swans

Re: Vietnam to vaccinate swans

Yes, the migration route from Mongolia to South Korea goes directly to the recent H5N1 outbreaks there.
 
Re: Vietnam to vaccinate swans

if you're referring to the Tundra Swan, .....

Tundra-Swan-Map.jpg
 
Re: Vietnam to vaccinate swans

niman said:
Qinghai strain has been confirmed in South Korea at precise location of Whooper swan migration on west coast of South Korea.
Click to expand...

remarkable. Did they examine dead swans ?

If it's just only the swans, shouldn't we be able to stop it ?
I mean, at least these fast, intercontinental spreads.
 
Re: Vietnam to vaccinate swans

gsgs said:
remarkable. Did they examine dead swans ?

If it's just only the swans, shouldn't we be able to stop it ?
I mean, at least these fast, intercontinental spreads.
Click to expand...

The swans are a marker. The spread from South Korea to Japan in 2004 included crows and other wild birds.
 
Re: Vietnam to vaccinate swans

niman said:
The swans are a marker. The spread from South Korea to Japan in 2004 included crows and other wild birds.
Click to expand...

since 2005i, it's however the swans which dominate the spread
of the Qinghai-strain.
I haven't seen this with other strains.
Maybe the Qinghai-strain is swan-specific
 
Re: Vietnam to vaccinate swans

gsgs said:
since 2005i, it's however the swans which dominate the spread
of the Qinghai-strain.
I haven't seen this with other strains.
Maybe the Qinghai-strain is swan-specific
Click to expand...
PLease cite a source.

I know NO evidence that swans dominate the spread of the Qinghai strain. Most swans positive for H5N1 in Europe were dead mute swans.

The mute swans are not migratory and the H5N1 was in DEAD swans, which migrate over short distances by floating belly up.
 
Re: Vietnam to vaccinate swans

there was this Whooper Swan from Latvia in Germany and they
believed this was how it was introduced in Germany.
The mute Swans could preferrably mix with migratory birds
who spread it (Whooper Swans?)

I count 36 from 37 HA-H5N1 swan-sequences at genbank are Qinghai-strain
 
Re: Vietnam to vaccinate swans

gsgs said:
there was this Whooper Swan from Latvia in Germany and they
believed this was how it was introduced in Germany.
The mute Swans could preferrably mix with migratory birds
who spread it (Whooper Swans?)

I count 36 from 37 HA-H5N1 swan-sequences at genbank are Qinghai-strain
Click to expand...

How many Qinghai sequences are not from swans?
You analysis makes NO sense.
Most of the sequences from Qinghai Lake were from bar-headed geese, which were the ONLY species reported initially. The additional isolates from Qinghai were geese and gulls and these were long range migratory birds.

The dead mute swans could have been placed in Europe by Martians, but that is pure speculation.

I see NO support for your original statement on spread of Qinghai by swans.

Finding a whooper swan in Germany says NOTHING about its introduction, which would have been in the fall of 2005, yet most countries in Europe. including Germany, denied H5N1 infections until after the human deaths in Turkey in 2006.

Recent sequences from Egypt shows that the Qinghai strain was in wild birds (teal which are DUCKS) in Egypt in 2005.

H5N1 Wild Bird Sequences in Egypt
Recombinomics Commentary
November 17, 2006

HA sequences from H5 isolated from wild birds in Egypt have been released. Although Egypt reported H5N1 to the OIE in February of this year, the two new sequence indicate H5N1 was isolated in a teal in December, 2005. The HA sequence from that isolate, A/teal/Egypt/14051-NAMRU3/2005, is the Qinghai strain, with the common HA cleavage site, GERRRKKR. It has a polymorphism found in a subset of Qinghai isolates, which is found in the first isolate from Turkey, as well as poultry isolates in Egypt, and human isolates in Egypt and Djibouti (see list here), including the most recent confirmed case, which has M230I, a polymorphism adjacent to the receptor binding domain that is found in all three human influenza strains, serotypes H1N1 and H3N2 for influenza A, as well as influenza B.

http://www.recombinomics.com/News/11170602/H5N1_Teal_Egypt.html
 
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