Alina Chan Profile picture
Feb 17 7 tweets 3 min read
I, for one, am not surprised or particularly disappointed there will not be a phase II of WHO's "collaborative process of discovery" in China searching for #OriginOfCovid

Consider that Phase I brought us the hypothesis that Covid originated from frozen foods #PopsicleOrigins
In Phase I, the scientists on their collaborative process of discovery were given tours in the top biosafety labs instead of the low biosafety labs where risky virus work had been done for years.

In Phase I, the scientists didn't ask for the Wuhan virus database to be shared.
In Phase I, the collaborative process of discovery produced conclusions that were based, not on science, but on trying to respect the findings of Chinese scientists.

Thank goodness the Chinese scientists didn't also try to pitch space origins.
In Phase I, the collaborative process of discovery relied on scientists voting in a room in the presence of government handlers.

In my view, the most productive thing Phase II can do is gather/verify evidence of the first cases of covid outside of China to establish a clearer timeline of when the outbreak had to have started. For this, they don't need to go to China and the work could have started in 2020.
Daszak: There were Ministry of Foreign Affairs staff in the room throughout our stay. Absolutely. They were there to make sure everything went smoothly from the China side.
cbsnews.com/news/covid-19-…
It's not a huge loss that there won't be a phase II of the WHO's collaborative process of discovery in China.

It means countries like the US now have to conduct their own #OriginOfCovid investigations instead of delegating it to WHO.

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More from @Ayjchan

Feb 17
Compared to all its closest relatives and all SARS-like viruses, the pandemic virus has a unique feature - a furin cleavage site.

It is this feature that makes it a pandemic virus. None of its closest relatives possess this feature and none of them can cause a human pandemic.
During the pandemic, a 2018 research proposal was leaked, in which Wuhan and US scientists had described plans that would've essentially created Covid-19.

Plans to search for and introduce rare furin cleavage sites into SARS-like viruses in the lab.
theintercept.com/2021/09/23/cor…
In 2019, a never-seen-before SARS-like virus with a furin cleavage site showed up in Wuhan.

Why Wuhan of all cities and why less than 2 years after scientists there had the idea to put these gain-of-function features into SARS-like viruses in the lab?
Read 6 tweets
Feb 16
When a SARS-like virus with a unique pandemic feature appeared in Wuhan, the scientists there didn't tell us about their plans to insert such a feature into SARS-like viruses. Considering their situation, this is understandable.

But why didn't their US partners say something?
Instead of sounding the alarm that the virus contained a unique pandemic feature matching what they had proposed to engineer in the lab, they were busy writing a public letter condemning any suggestion of an unnatural #OriginOfCovid

In my view, the scientists in China were in an impossible situation and couldn't say anything, but what about their US collaborators who knew about this 2018 research plan that could've led to the creation of the pandemic virus?

theintercept.com/2021/09/23/cor…
Read 6 tweets
Feb 9
One thing most journalists keep doing on #OriginOfCovid is asking scientists & politicians to guess what they think is more likely - natural spillover or lab leak.

Can we change the question to: How do you propose to investigate the origin of the pandemic?
Direct evidence missing for each #OriginOfCovid hypothesis:

Lab leak - pandemic virus precursor in the lab

Natural spillover - pandemic virus precursor in the market/supply chain

Regardless which way you swing, you have to acknowledge that direct evidence is missing.
Since direct evidence is missing for both natural and lab #OriginOfCovid hypotheses, we have to investigate both plausible scenarios.

People who say it's not important or we don't need to investigate are either uninformed or fearful of the truth.
Read 6 tweets
Feb 6
By mid-2019, the Wuhan Institute of Virology lab knew that they had discovered an incredibly interesting new lineage of SARS-like viruses.

In Dec 2019, a novel coronavirus from that lineage caused an outbreak in their city.
The Covid-19 virus also had a unique feature - a furin cleavage site - something the scientists proposed to put in unidentified SARS-like viruses less than 2 years before the detected outbreak.
Yet, when this novel SARS-like virus was wreaking havoc in their city, the Wuhan scientists did not mention that they had been studying 9 close relatives from this new lineage of SARS-like viruses.

They also did not mention their furin cleavage site insertion proposal.
Read 10 tweets
Feb 4
To those claiming that the Wuhan Institute of Virology's pathogen sample database was only taken down in Feb 2020 - can you explain why then no one outside that institute accessed their database from Sep 2019 onward, even after the COVID-19 pandemic had begun?
You'd think that with a novel SARS-like virus causing global panic, some scientists would've gone to the Wuhan Institute of Virology's most comprehensive database on novel SARS-like viruses and downloaded a copy.
We know close collaborators of the Wuhan Institute of Virology were busy providing cover, drafting @TheLancet letter condemning lab leak #OriginOfCovid in Feb 2020.

But did no one even bother to go to this huge database of 22K+ samples to take a look?
Read 6 tweets
Feb 3
Until today there is no explanation why Wuhan virus hunters did not share their pandemic prediction virus sample database when an actual pandemic started in their city.

Even their close collaborators and funders do not seem to have access to or a copy of this database.
Setting aside that it appears shady to hide your virus sample database when a novel pandemic virus is rampaging around your city, it also suggests that having such a database is not particularly useful for predicting or responding to an actual pandemic.
The situation:

Virus hunters spent years + millions of $ collecting and studying novel viruses, including SARS-like viruses, building a massive database of 22K samples.

In 2019, a novel SARS-like virus appears in their city out of nowhere. Did their work help to predict it?
Read 6 tweets

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