Alina Chan Profile picture
Jun 18 5 tweets 2 min read Twitter logo Read on Twitter
US and Chinese scientists hunting for SARS-like viruses in China did not always wear proper protective gear.

"... it's my judgment that the danger here is low enough that I'm not wearing a mask and I'm not recommending that anybody else wear one either."
npr.org/transcripts/80…
Some virologists were flabbergasted when they heard the Wuhan scientists were working with live SARS-like viruses at BSL2. But before the pandemic, no one at journals or funding agencies seemed to flag this as a question or concern.
And then, in 2018, arguably the top SARS-like virus researchers in the US and in China jointly proposed putting furin cleavage sites into live SARS-like viruses in the lab to see how this could affect their ability to grow and cause disease.
No matter which stage of research the pandemic virus might've infected scientists at - whether during fieldwork, in the lab after isolating the virus, or after genetic modification - the responsibility does not only lie with the Chinese scientists.
When people think about responsibility, they often think about compensation. However, I believe the first responsibility is to prevent similar mistakes from happening again. The fastest path to that is sharing with the public as much #OriginOfCovid evidence as possible.

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More from @Ayjchan

Jun 20
Because the SARS-like virus research was a US-China collaboration, not only do we know scientists had a precise plan in 2018 to create viruses matching the pandemic virus but we also know researchers on these projects might've been among the 1st Covid-19 cases. #OriginOfCovid
What's missing now is a public confirmation of alleged evidence in the US that the 2018 research plan had begun in 2019.

More details on the sick Wuhan scientists' symptoms and date of onset, if declassified, would be immensely helpful to understanding #OriginOfCovid
The most shocking part of this story is that it took 3.5 years for this intel to be shared with the public.

Both current and former US gov officials confirmed the names of the sick Wuhan scientists to the @WSJ
wsj.com/articles/u-s-f…
Read 6 tweets
Jun 16
Regarding intel on the sick WIV workers, there are many questions.

Why is this still classified 3+ years after the pandemic started?

Were these details shared across all IC agencies that assessed #OriginOfCovid in 2021? What about in 2023? If so, which experts were consulted?
Much of the info and data on #OriginOfCovid - early cases, market animals, lab viruses - is incomplete and sometimes clearly biased or suppressed in some way.

Even if the intel is incomplete, it would help if as much detail as possible is declassified.
The Covid-19 Origin Act of 2023 that was signed by President Biden specifically asked for the declassification of the names and symptoms (date of onset) of the sick WIV workers and how they were involved in or exposed to coronavirus research.
congress.gov/118/plaws/publ…
Read 6 tweets
Jun 11
I hope the impending declassification of intel regarding sick WIV workers is as detailed as possible.

Whistleblower: "We were rock-solid confident that this was likely Covid-19 because they were working on advanced coronavirus research in the laboratory."
thetimes.co.uk/article/inside…
The #OriginOfCovid bill passed the House of Representatives unanimously this year 419:0.

ZERO reps felt that intel regarding the sick WIV and their exposure to coronavirus research should continue to remain classified.
hawley.senate.gov/hawley-covid-o…
The #OriginOfCovid bill specifically asks whether the sick WIV workers with covid-like symptoms in fall 2019 were exposed to coronavirus research.
Read 11 tweets
Jun 1
The 2018 Defuse proposal not only pitched creating SARS-like viruses with furin cleavage sites.

These scientists said they would build an app for warfighters to assess the risk of spillover of dangerous pathogens in Asia. Seriously.
documentcloud.org/documents/2106… Image
I'd like them to walk us through exactly what these warfighters wandering around in Asia are going to do if the app tells them that the bats around them have SARS-like viruses.
When I first read the defuse proposal, I had a hard time believing it was authentic. I later confirmed the furin cleavage site insertion plan with one of the authors of the proposal. But this stuff about the utility of their work in combatant command regions... Image
Read 7 tweets
May 29
A page from VIRAL. This is how seriously the Chinese authorities are taking the risks of pandemic viruses circulating in pangolins and other wildlife including raccoon dogs which are bred and sold for fur.

#OriginOfCovid Image
If there was any perception at all that pangolins and other wildlife pose a national (bio)security risk - the type that can lead to city-wide lockdowns and protests - it does not appear to be reflected in the pandemic response by Chinese authorities.
If the authorities even slightly believed that it was possible the pandemic virus had come from raccoon dogs or pangolins, I expect the farming and trading of these animals would've been completely shut down - no exceptions - in 2020.
Read 5 tweets
May 6
Listened to a podcast where a disease ecologist said the words "jump" & "spillover" don't accurately describe the way animal pathogens emerge in humans.

I agree. To me, it's like a shots on goal scenario where a pathogen has to take numerous opportunities to cause an outbreak.
This is why I was perturbed by the abrupt appearance of a pandemic-ready SARS-like virus in a city with no history of SARS-like viruses in its people or markets.

Instead it had a unique lab studying how SARS-like viruses jump between species & infect humanized mice & civets.
With world-leading SARS virus hunters based in Wuhan, you'd think that they would know if SARS-like viruses were taking shots on goal in their city center.

Instead they used their own city's population as a negative control for exposure to SARS-like viruses. Zero shots on goal.
Read 6 tweets

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