Alina Chan Profile picture
6 Feb, 28 tweets, 21 min read
This is the 2nd half of the piece on the #originsofcovid that @mattwridley was very nice to invite me to co-write.

In the first 1/2 @WSJ we advocated for a credible investigation. In this 2/2 @Telegraph we revisit the story of the search for the origins.
telegraph.co.uk/news/2021/02/0…
I know that there are a growing number of similar pieces out there now including yesterday's @washingtonpost editorial board opinion, @NYMag @nicholsonbaker8 lab leak hypothesis, and @BillNye podcast interview of @DavidRelman - all superb reads/listens.
In our piece in the @Telegraph @mattwridley and I lay out for the non-scientist what has been investigated so far, what the public has been told in the past year re: #originsofcovid and why we think that #laborigins are plausible and must be investigated. telegraph.co.uk/news/2021/02/0…
One of the highlights of the article is the list of top experts who have made public statements/endorsements that a lab leak as the #originsofcovid remains a plausible scientific hypothesis to be investigated, regardless of how likely or unlikely.
Many of the experts do not agree with my take on the findings surrounding #originsofcovid (e.g., RaTG13, pangolins). Several also think that lab leak is incredibly unlikely. And at least one probably hates my guts.

But they all said that #laborigins needs to be investigated.
Rather than getting experts to sign a letter, it's better that readers can see what each expert has said.

I'll post links to statements by the listed experts here. This list is also by no means complete - there are other experts who have said #laborigins should be investigated.
Other experts had reached out, but the strict criteria we set was that we wanted experts in the field (virology, infectious diseases, evolutionary biology, biosecurity) or at least adjacent fields (life sciences, bioengineering) with a solid & recent research publication record.
A lot of journalists (and also scientists) ask for highly respected, trusted, established scientists to talk to about natural vs #laborigins of covid. I think this will be helpful to you and also show the wide range of scientific opinions on #originsofcovid
Some of the experts in this list think #laborigins are more likely than natural origins. Others think it's closer to 50:50. And some think it is super unlikely but a proper investigation is still needed.

You're not getting a consensus. You're getting a spectrum of opinions.
@BallouxFrancois gave an interview to @spectator discussing possible #originsofcovid scenarios - saying that natural spillover is most likely but we cannot rule out lab accident and requires proper investigation to clarify (~9min mark).
Dr Ralph Baric has also given public statements to @Presa_Diretta and written an article: ncbi.nlm.nih.gov/pmc/articles/P…
@trvrb has also made public tweets and 🧵 on #originsofcovid directly addressing lab escape hypothesis



@jbloom_lab "I will say that based on currently available information, both natural origins and lab escape are plausible theories."
@R_H_Ebright since Jan 2020 "2019-nCoV data are “consistent with entry into the human population as either a natural accident or a laboratory accident.”"
sciencemag.org/news/2020/01/m…
@mbeisen "I am nonetheless surprised at the degree of confidence people express in a natural origin."
@JonesNonwork endorsed @DavidRelman @PNAS piece
Had co-authored a paper on bat coronaviruses with Daszak and Shi Zhengli in 2007.
ncbi.nlm.nih.gov/pmc/articles/P…
@FilippaLentzos indefatigable since early 2020 advocating for credible investigation into possible #laborigins of covid

thebulletin.org/2020/05/natura…

thebulletin.org/2020/05/will-t…
@michaelzlin explained a possible lab escape scenario in response to the interview Shi Zhengli gave @sciencecohen @ScienceMagazine last July.
@mlipsitch "the @WHO team will need to consider the hypothesis that the virus was accidentally released from the lab, says epidemiologist Marc Lipsitch" sciencemag.org/news/2021/01/a…
@sanewman1 in response to @nicholsonbaker8 @NYMag article, revealed that he had shared concerns about flaws in the Proximal Origins argument against #laborigins

Dr Nikolai Petrovsky @vaxine_news who has also given interviews since early 2020 that the covid-19 virus could have escaped from a lab.
9news.com.au/videos/nikolai…
@angie_rasmussen "Lab origin is one hypothesis that should be tested. My opinion is that it is less likely than natural origin but still possible and can’t be ruled out. As a scientist I believe the data must lead the way."
And @DavidRelman who wrote this @PNAS opinion that stimulated this @washingtonpost editorial board opinion
washingtonpost.com/opinions/globa…

And also gave an interview to @BillNye
podcasts.apple.com/us/podcast/cor…

pnas.org/content/117/47…
I'm getting questions about how I decided on this list of experts. Why is X on the list? Why is Y not on the list?

Even if someone is not on the list, it doesn't mean they are not experts. This list should serve as a door opening for everyone to be able to talk about #laborigins
There is no scientific consensus about the origins of this virus. There hasn't been one despite what has been widely reported in the media.

Even since early 2020 many experts thought a lab escape was on the table and should be investigated.

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More from @Ayjchan

7 Feb
Public service: This is now the link to the archived Fact Sheet released by the previous State Department concerning activities at the Wuhan Institute of Virology that could point to possible #laborigins of the covid-19 virus.
2017-2021.state.gov/fact-sheet-act…
@washingtonpost says "If the U.S. government possesses information to corroborate that statement, it should release it, including declassifying any intelligence." washingtonpost.com/opinions/2021/…
The situation right now, I presume, is that the intelligence cannot be declassified because of endangering the source(s).

In that case, please create a curated list of non-gov people who can see this intelligence. There is a lot at stake.
Read 23 tweets
7 Feb
Been seeing rumors that the Covid-19 virus (SARS-CoV-2) has never been isolated before. I'll post links and snapshots of some papers here to show that several different groups in different countries have each isolated the virus.

First is WIV Wuhan China..
nature.com/articles/s4158… ImageImage
2nd Hong Kong, China (I know same country but different labs). tandfonline.com/doi/full/10.10… Image
3rd example Guangdong, still China because that's where there was first access to patient samples.
jvi.asm.org/content/94/17/… Image
Read 12 tweets
7 Feb
The extended, slightly more technical (more comprehensive), zero paywall version of our article @mattwridley on #originsofcovid

Essentially, anyone asking me about evidence for lab origins should read this article first and then talk to me later.

rationaloptimist.com/8691
Our article includes a shoutout to the many internet sleuths (some scientists) who unearthed the connection between 2012 SARS-like cases in Yunnan and the closest virus genome to SARS-CoV-2 (covid virus). But you can read more about DRASTIC here: mygenomix.medium.com/the-origin-of-…
Article also contains the list of experts with links on each of their names so you don’t have to scroll through my 🧵 to collect all the links.
Read 4 tweets
6 Feb
@meghan_daum was super nice to invite @FilippaLentzos and I on her podcast this week. It's going to be released tomorrow night or you can join Patreon to listen now.

In the podcast, we get into why it's been so challenging to talk about Covid-19 possibly originating from a lab..
I really loved the group podcast style because I learnt so much from @FilippaLentzos who is 100% eloquent in explaining what is happening in the big picture - geopolitically - and @meghan_daum who is extremely skillful at asking us the key questions the public wants answers to.
Being unable to talk about #laborigins without being attacked (even by your friends) has been a problem for both scientists and journalists since the start of this pandemic.

A lot of journalists say that scientists refused to go public with suspicions of Covid-19 lab leak...
Read 6 tweets
5 Feb
I told you that lab origins is so hot right now.
washingtonpost.com/opinions/2021/…
Thank you @TheSeeker268 for the heads up.
So @washingtonpost since you're just starting to report on the bat CoV sampling, chimeric viruses, the Mojiang miners, the missing database, and EcoHealth ties to the WIV - are you interested in talking to me about all these naughty papers coming out of China?
Read 6 tweets
5 Feb
Wow, just listened to this @SamHarrisOrg podcast with @zeynep - we need @zeynep in the @WhiteHouse

So many 🔥points about information gatekeeping and Zeynep's experience having to go against the WHO and CDC scientific consensus as an expert in an adjacent field.
💙@zeynep says, even as someone on the side of science, she doesn't like the phrases "trust/follow the science"

Science is often complicated by group-think and politics. Expert trust needs to be built, and it cannot be achieved via condescension or shaming non-experts.
Also ⚡️discussion between @zeynep and @SamHarrisOrg that sometimes, in a rare situation, it's the outsider that overturns the scientific consensus.

Most of the time the experts are correct. But how do you distinguish the rare instances when they are wrong?
Read 4 tweets

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