Alina Chan Profile picture
5 Mar, 11 tweets, 5 min read
“based on what we know so far.. the W.H.O. investigation appears to be biased, skewed, and insufficient.. without full transparency and access to the primary data and records, we cannot understand the basis for any of the comments issued so far” nytimes.com/2021/03/04/hea…
... as @R_H_Ebright said, the open letter was released in anticipation of an interim report from the WHO-convened covid-19 origins study team. Our letter was communicated to high levels of @WHO on Tuesday, and we only heard this morning that no interim report is coming after all.
We can talk about the full report when it comes out but should not wait to call for global efforts as @FilippaLentzos described, possibly involving the U.N. General Assembly where all nations are represented and can vote on whether to formally investigate #OriginsofCOVID
We’ve already wasted a year waiting for this collaborative process of discovery to happen, and it’s still unclear what actual verifiable data the WHO-convened team has been given a glimpse of during their 2 week trip in Wuhan.
Again seeing this strange statement that finding SARS2-related viruses in the wild is inconsistent with lab origins @nytimes @jimgorman I think worthwhile to ask the quoted expert(s) exactly how is this inconsistent with lab leak? Many leaked viruses so far are found from nature.
It’s possible that some experts are going out of their way to shoot down the most extreme lab origins scenario and forgetting that the most likely lab origins scenario is that of an accidental infection by a natural virus out of tens of thousands collected/studied over the years.
The irony is that searching for more SARS viruses in the wild to “support” SARS2 natural origins is increasing the chances of lab personnel bringing more natural SARS viruses back into cities where they could leak from a lab experiment or infected lab people.
The irony is that, because of the pandemic, more labs around the world are ramping up their human or novel pathogen research and levelling up to BSL4, which increases the chances of a(nother) pandemic resulting from a lab or research-related incident.
And because of the pandemic, we need to additionally worry about accidentally giving SARS2 to wild animal populations during these virus collection expeditions.

Here, straight from the experts who think SARS2 has completely natural origins: journals.plos.org/plospathogens/…
Does it make logical sense that if there’s a real expert-validated peer-reviewed concern that people could accidentally transmit Sars2 to wild animals while in nature (eg while sampling pathogens), that wild animals could also transmit Sars2 to humans during these expeditions?
It’s important to understand how natural viruses can get into densely populated cities and explode into a pandemic.

Was it through the wildlife trade? Farmed animals? Or pathogen research activities - collect, culture, modify?

The resulting prevention strategies differ wildly.

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More from @Ayjchan

4 Mar
The WHO-convened covid-19 origins study group is scrapping their overdue interim report amid "tensions between Beijing and Washington over the investigation and an appeal from one international group of scientists for a new probe."
wsj.com/articles/who-i…
Many thanks to the experts & scientists who organized the open letter which is the basis of the @WSJ news story.

The letter describes limitations of the WHO-convened global study and what a credible investigation into COVID-19 origins should look like. s.wsj.net/public/resourc…
And also thanks to @WSJ @betswrites @drewhinshaw @JNBPage for staying on this story & doggedly reporting on the origins of covid-19.

I really think this is just the beginning. It is unlikely that the world will just move on and not seek answers to where this pandemic came from.
Read 11 tweets
3 Mar
Are there any more densely populated cities with extremely high traffic international airports that we can build more BSL4 labs in?
Just making sure that lab personnel will be able to get from the BSL4 to the nearest very highly visited food village in ~20min via MRT (metro). Image
And the world famous Changi airport in ~25min drive. One of the world's busiest airports by international passenger and cargo traffic... Image
Read 4 tweets
2 Mar
FYI journalists reporting on the @WHO convened COVID-19 origins collaborative process of discovery.

@DrTedros said it is not a WHO study or investigation.

It is an independent study by predominantly non-WHO experts. ~Half of the team is unidentified.
who.int/publications/m…
The WHO-convened team had to work with Chinese counterparts (half of the team) in a collaborative process; they did not have investigatory powers to look into COVID-19 origin hypotheses that their hosts did not want them looking into.
This was reinforced by the leader of the WHO-convened team in a recent @ScienceMagazine interview: sciencemag.org/news/2021/02/p…
Read 16 tweets
1 Mar
This is a good piece that communicates some of the major misunderstandings held by scientists and experts exploring the origins of SARS2 / COVID-19.
The first major misunderstanding:

Some experts keep saying it took a decade to confirm that SARS1 came from bats.

But in 2003 and 2004, the animal sources of SARS1 were found within 2 months and 1 week, respectively.
So I think these top experts studying the origins are very very confused.

They’re looking for the ancestral origins of SARS2 in bats.

But finding the proximal origins of the virus shouldn’t take a decade.
Read 20 tweets
27 Feb
Starting to wonder how many virus samples are sitting in freezers waiting to be sequenced.

The newest pangolin CoV in GISAID (EPI_ISL_610156) was collected in Yunnan in 2017. Someone implied that this was proof of the 2019 Guangdong pangolin CoV, but it's quite different...
The Yunnan pangolin CoV sequence is full of gaps, missing front half of the Spike, no RBD to even compare with the SARS2-like RBD in the Guangdong pangolin CoV.

Not sure why anyone would think this Yunnan pangolin CoV is useful to verifying the history of the GD pangolin CoV.
Meanwhile, the Guangdong pangolin CoV authors who haven't provided any of the novel raw data mentioned in their May 2020 @PLOSPathogens paper just released more short sequence fragments for another paper?
ncbi.nlm.nih.gov/popset?DbFrom=…
Read 11 tweets
26 Feb
“scientists expressed surprise and even disbelief that the further investigations, into both the first patient's contact history and the supply chain to the Huanan market that the WHO sought, had apparently not already been performed by China.” cnn.com/2021/02/21/chi…
“specialist Daniel Lucey.. said it was “frankly implausible” that such testing had not been done. “My question is why would it not have been done? It was known to be necessary and it’s in China’s scientific.. public health.. national security interest””
scmp.com/news/china/sci…
This would be like if in Stranger Things, the protagonists all neglected to investigate the local National Laboratory while searching for the inter-dimensional gateway (source of spillover).
Read 4 tweets

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