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Alina Chan Profile picture
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18 Jul, 5 tweets, 2 min read
A very insightful piece on vaccine hesitancy:
"most vaccine skepticism, if by that we mean reluctance, is not based on conspiracy theorizing — it’s based on risk-benefit calculations"
nationalreview.com/2021/07/convin…
"People find acts of God easier to accept than mistakes of their own volition. So they may find it easier to accept the risks of facing COVID in nature, which they did not choose to get, than the unknown risks of a vaccine that they did consciously choose to take."
I think one major public health/sci comm mistake was emphasizing sterilizing immunity: vaccination = Never getting infected and Never transmitting virus to others.

When the point of being vaccinated = not developing severe covid, reaching herd immunity.
globalnews.ca/news/8003930/i…
That's one reason why people feel discouraged when they hear that vaccinated people can get covid and can transmit the virus to others.

Even though top vaccines are shown to be highly effective in preventing serious illness, even with new variants.
globalnews.ca/news/8003930/i…
In Israel: "Vaccine effectiveness in preventing both infection and symptomatic disease fell to 64 per cent since June 6, the Health Ministry said. At the same time, the vaccine was 93 per cent effective in preventing hospitalizations and serious illness from the coronavirus."

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More from @Ayjchan

Alina Chan Profile picture
20 Jul
New information or clarifications relevant to the #OriginsOfCovid continue to come to light on a regular basis.

In the short time between when I spoke with @NPR @FoodieScience and today, @washingtonpost published their discovery that China @who report suffered editing errors…
Unfortunately one of the known errors impacts the map of early covid cases in Dec 2019- this data is inconsistent with what was reported in Wuhan and yet underlies the first figure of the critical review by Holmes et al.
This is very problematic because a map with errors is influencing the judgment of scientists who have no access to primary data.
Read 16 tweets
Alina Chan Profile picture
19 Jul
Getting a bit weary of debunking articles trying to debunk information surrounding the lab leak hypothesis.

This @snopes article does a good job debunking some straw men but I think makes some critical errors.
snopes.com/news/2021/07/1…
In my opinion, it starts off on the wrong foot.

Some powerful scientists indeed unfairly rejected the notion that SARS2 came from a lab as a conspiracy theory. And internet sleuths did uncover damning info pointing to a possible lab origin of SARS2. usrtk.org/biohazards-blo…
This is not a good look for scientists and I reject that scientists as a whole are judged based on these Lancet letters.
Read 28 tweets
Alina Chan Profile picture
18 Jul
Frustrating to read in July 2021 when vaccines have proven effective and are readily available in the US.

“Nurses are watching families navigate end-of-life decisions for young people who have no advance directives or other legal documents in place.”

theatlantic.com/health/archive…
I know some well educated people who insist on staying unvaccinated. Due to how they were raised or where they grew up, they would rather take their chances with covid-19 (the delta and other new variants) than take a vaccine that has been administered to 100s millions of people.
The problem is that healthcare workers and the vulnerable people in society are now “putting themselves in harm’s way for people who’ve chosen not to protect themselves”

“Some health-care workers are starting to resent their patients—an emotion that feels taboo.”
Read 6 tweets
Alina Chan Profile picture
17 Jul
From @sciencecohen @ScienceMagazine on @WHO next steps #originsofcovid
“Koopmans.. would welcome broadening the existing group’s expertise.. to conduct lab audits and to study the blood of more humans who.. may have been exposed.. before the outbreak”
sciencemag.org/news/2021/07/w…
Gerard Keusch, who signed both infamous Lancet letters and partnered with Peter Daszak to apply for a grant, said of the new SAGO: “allowing individuals and governments to nominate themselves.. will result in a partisan, selective process and not lead to the best composition.”
I would like to ask Keusch if he witnessed the China-WHO joint study phase I team member selection process and whether he considers it non-partisan and of the “best composition”.
Read 20 tweets
Alina Chan Profile picture
17 Jul
Looking forward to more details on how the “dream team” helped Kristian Andersen shift from 60-70% sure Covid-19 came from a lab to “we do not believe that any type of laboratory-based scenario is plausible” and “rules out laboratory manipulation”. thetimes.co.uk/article/sage-a…
Read 11 tweets
Alina Chan Profile picture
17 Jul
In this @Medium post, I counter the claim that there is a substantial body of evidence pointing to a natural origin of COVID-19.

All publicly available evidence and information are consistent with both natural and laboratory origin scenarios.
ayjchan.medium.com/a-response-to-…
Only with more data and information can scientists confidently evaluate the likelihood of each origin hypothesis.

A credible, transparent, evidence-based, and international investigation of the origin of Covid-19 is not only vital but also feasible.
Key points:
1. The 2003 epidemic SARS-CoV was quickly traced to proximal animal sources of the virus. Yet, despite greatly improved surveillance technologies and capabilities, an intermediate host for SARS-CoV-2 has still not been found more than 1.5 years.
Read 24 tweets

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