Alina Chan Profile picture
10 Jan, 7 tweets, 3 min read
WIV Dr Shi ZL's own words: "We have done bat virus surveillance in Hubei Province for many years, but have not found that bats in Wuhan or even the wider Hubei Province carry any coronaviruses that are closely related to SARS-CoV-2." sciencemag.org/news/2020/07/t…
Also, WIV and the Huazhong Agricultural University "collected samples of farmed animals and livestock from farms around Wuhan and in other places in Hubei Province. We did not detect any SARSCoV-2 nucleic acids in these samples."
I'm distressed that experts who are criticizing people like me for spreading misinformation - literally calling me a conspiracist and comparing me to QAnon and people who incite violence - are also unintentionally spreading misinformation about covid origins.
It's not difficult to find info that SARS viruses are not prevalent in Hubei province. It really isn't. You can just read interviews and research papers of the WIV and the EcoHealth - they even use Wuhan as a negative control (no SARS virus exposure) in their study.
Strongest link between SARS viruses and Wuhan is the thousands of animal (bat) and human SARS-suspect samples being ferried from caves + rural communities in Southern China into Wuhan labs.

Yes, wildlife trafficking too. But Hubei is not a SARS spillover zone like GX, GD, YN.
The story that SARS is spilling into lots of people is a new one. Up till Sep 2019, WIV & EcoHealth were still saying that such spillovers in rural areas are rare. Some experts have recently tweeted that 4-5% people in Yunnan province have SARS antibodies
... without including context that the studies targeted people in rural areas very near to caves where SARS bat CoVs had been found; actual % was 2.7% within few kms of the caves, and only 0.6% for rural communities in Southern China. Doesn't mean province has 4-5% SARS exposure.

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More from @Ayjchan

10 Jan
The @WHO team which didn't even have a plan to investigate lab origins was barred from entering China last week. Now we hear that stats on 300 WIV studies have been wiped from the Chinese NSF website.
dailymail.co.uk/news/article-9…
Normal behavior: When a surely natural spillover of SARS occurs in your typically SARS-free city with a lab studying diverse, novel SARS pathogens, you make all of that research as inaccessible as possible and prevent a team whose membership you picked from entering the country.
“The WHO has been attempting to send in the team of global experts from a number of countries for months. It has been talking with Chinese officials since July.”
theguardian.com/world/2021/jan…
Read 4 tweets
9 Jan
The first week of 2021 has been terrible.

On origins, we heard from Mail on Sunday that Matt Pottinger (who resigned after the insurrection) said latest intelligence points to WIV as "most credible source" of SARS2/covid.

No idea when we will hear more.
Then, @nicholsonbaker8 published his lab leak hypothesis, which I enjoyed reading even if I don't agree with some speculations - got drawn into defending the piece, which led to me being compared to people who incite violence and destruction of democracy. nymag.com/intelligencer/…
The reason why I don't consider a lab leak and even a leak of a bioengineered virus a conspiracy is because there's so much we don't know yet.

But I know that rushing to label these as conspiracy, lies, and misinformation will come back to bite scientists one day.
Read 10 tweets
8 Jan
Dear @ScienceMagazine, if you are publishing this perspective that SARS2/covid spread via "cold food supplier chains are raising substantial concern"...

Will you consider giving me an opportunity to publish my perspective with you?
science.sciencemag.org/content/371/65…
This figure in the Perspective.
Pangolins and Cold packaged meat and seafood?

Who peer reviewed this article? What were the peer reviews?
How could the Proximal Origins correspondence be cited in support of this claim: "Evolutionary analyses of viral genomes from bats and pangolins indicate that further adaptions, either in animal hosts or in humans, occurred before the virus caused the COVID-19 pandemic"?
Read 9 tweets
6 Jan
"WHO Director General Tedros Adhanom Ghebreyesus expressed “disappointment” that China had yet to finalize permissions for the trip — his most pointed criticism of China to date."
washingtonpost.com/world/asia_pac…
“It has taken them an entire year to negotiate access in any meaningful way in China.. It’s like there was a murder and you go back to the crime scene a year later, after it was scrubbed, and you expect to find something.” - Lawrence Gostin, Georgetown University
At this point, the @WHO could consider sending in psychics...
Read 4 tweets
5 Jan
@razibkhan pointing out serious challenge for science & sci comm: “Spanish television.. reached out to me for comment because so many scientists who off the record would credit the idea of lab escape wouldn’t go on the record. The journalist told me he was quite depressed..”
“.. by the difference in how scientists would talk off-camera and what they were willing to say on the record. It basically made him not trust science at all.”
🎉 @rowanjacobsen “something changed when the Boston Magazine piece that highlighted the theory came out.. I started hearing from friends that really credible and high profile scientists thought that there needed to be an investigation about.. lab escape”
gnxp.com/WordPress/2021…
Read 6 tweets
5 Jan
People are asking for a balanced discussion of natural vs lab covid origins. But I haven't seen such a balanced, scientific article. Closest to balanced for me is David Relman's PNAS opinion that we need to find the origins in the interest of every person.
pnas.org/content/117/47…
What would a balanced origins discussion even look like? A panel or a team debate?

Regular peer review doesn't work for this kind of hot topic. Closed-door meetings among select scientists doesn't work. News orgs approaching their most trusted scientists also doesn't work.
Both of the official investigations into SARS2 origins by the @WHO and @thelancet have a questionable choice of team membership.

How are we ever going to have a balanced discussion of the origins?

Is it ok to not know where this pandemic came from?
Read 6 tweets

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