Time to debunk another myth.

Some people are suggesting that you need to be making monstrously large amounts of virus in the lab in order to get infected.

Yet, the times SARS leaked from labs shows us how easy it is to catch it in the lab. One person didn’t even work with SARS.
Another pervasive misunderstanding that even @WHO convened team seemed to have:

“WIV did SARS work at BL4. Nothing can escape from a BL4.”

Incorrect on both counts. All the SARS work & infection experiments were done at BL2/3 all these years and SARS has leaked from BL4 before.
If SARS2 came from a lab, that lab may not have known about it (for a while).

When SARS leaked multiple times from a lab in Beijing, it wasn’t till a month later when people died that they detected the lab escape, 1000+ quarantined, investigators didn’t know how this happened.
The ease of catching SARS2 in the lab (even when you don’t work with covid patient samples or the virus) is one reason why employees in hospital-affiliated buildings are among the first to be vaccinated.

It’s not because they’re making buckets of virus.

npr.org/2021/01/29/961…
And with a virus like SARS2 that produces any of a variety of symptoms (if any) among young people (lab workers tend to be younger, many fresh out of undergrad), with an incubation time of up to 2 weeks...

You’re dealing with a very strong lab leak contender.

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More from @Ayjchan

5 Mar
Just listened to this interesting @nature podcast on COVID's origins and the 'lab leak' theory. First reaction is that it's very light on evidence and heavy on motive speculation.

Some top points below...
nature.com/articles/d4158…
One, in terms of evidence available to date, there's just as much evidence for a lab leak as there is for a natural spillover causing the current pandemic.

People speculating lab vs natural origins are either way building off zero definitive evidence.
Two, there's a weird myth going around that the WIV was built in Wuhan because it's a SARS spillover zone.

100% incorrect.

Wuhan city is NOT a SARS spillover zone. The human population there has even been used as a negative control in studies for human exposure to SARS viruses.
Read 15 tweets
5 Mar
“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
Read 11 tweets
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

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