The John Snow Project Profile
The John Snow Project

@JohnSnowProject

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Reliable, honest information on COVID-19 from public health, clinical, and research experts.

Joined May 2022
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@JohnSnowProject
The John Snow Project
2 years
Don't breathe it in. #COVIDisAirborne
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@JohnSnowProject
The John Snow Project
1 year
We face a choice: continue to ignore deaths from COVID-19 or prevent them. In collaboration with @RealOzSAGE , we call on the Australian government to act urgently to reduce transmission of COVID-19 by using the tools we have, instead of abandoning them.
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@JohnSnowProject
The John Snow Project
6 months
Who wants a black @3M Aura? More would benefit from excellent protection if this respirator was available in black. We've written to the CEO of 3M to highlight this popular request. Retweet if you want to make safety stylish @3MHealthCare @3MSafety @3MNews
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@JohnSnowProject
The John Snow Project
2 years
Which #halloween mask is best? 🎃
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@JohnSnowProject
The John Snow Project
6 months
A reminder that the US Department of Health and Human Services recommends wearing a mask whenever you go indoors in public. For more official US government advice on how to protect yourself from COVID-19, visit
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@JohnSnowProject
The John Snow Project
1 year
Governments around the world face a choice: continue to ignore deaths from COVID-19 or prevent them. #CovidAwarenessWeek #CovidIsntOver #NotMild
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@JohnSnowProject
The John Snow Project
5 months
The Royal College of Nursing and the World Health Organization join the John Snow Project in calling for universal masking in healthcare. Download our open letter and send it to your local healthcare provider and/or political representative:
@theRCN
The RCN
5 months
We've contacted the UK's chief nursing officers and the UKHSA to find out what action will be taken in response to WHO’s statement on a new COVID-19 variant of interest. Read more below.
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@JohnSnowProject
The John Snow Project
5 months
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@JohnSnowProject
The John Snow Project
4 months
1/15 As 2023 draws to a close, we’d like to look back and ask when you realized SARS-CoV-2 isn’t ‘just a cold’? Was it when studies showed that children who’d recently had COVID-19 were at increased risk of Strep A and RSV?
@JohnSnowProject
The John Snow Project
1 year
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@JohnSnowProject
The John Snow Project
1 year
The failure to recognise the ongoing severity of COVID-19 is creating a reality gap that is being filled by groups peddling misinformation.
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@JohnSnowProject
The John Snow Project
5 months
COVID-19 is not "just the flu." New research by @zalaly shows that COVID-19 is significantly more harmful than flu, and that most of the harms come after the acute phase of the illness has passed. Read More:
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@JohnSnowProject
The John Snow Project
8 months
Send this letter to your local healthcare providers to encourage better protection of staff and patients from COVID-19.
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@JohnSnowProject
The John Snow Project
2 years
'Clean water is certainly an aspiration for new buildings and future projects. But the idea that we will retroactively install plumbing in public buildings strikes me as fanciful, at best. Show me up, prove me wrong, happily, but I don't see it happening.'
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@JohnSnowProject
The John Snow Project
1 year
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@JohnSnowProject
The John Snow Project
6 months
If you want 3M to make their popular Aura respirators in black, it’s easy to write to the CEO and make your voice heard. Download our template letter here:
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@JohnSnowProject
The John Snow Project
1 month
Most governments are trying to trick us into believing we don't need to adapt to COVID-19. They can't sustain the illusion forever.
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@JohnSnowProject
The John Snow Project
3 months
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@JohnSnowProject
The John Snow Project
9 months
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@JohnSnowProject
The John Snow Project
3 months
Long Covid is one of the world’s biggest challenges. A new Science perspective by @zalaly and @EricTopol adds to the calls for governments to take action to meet the challenges posed by Long Covid. Read more:
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@JohnSnowProject
The John Snow Project
2 years
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@JohnSnowProject
The John Snow Project
8 months
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@JohnSnowProject
The John Snow Project
2 years
Choosing the right mask is deadly serious. Learn how to stay safe:
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@JohnSnowProject
The John Snow Project
11 months
Nice to see @WHO joining the John Snow Project in recommending prevention of infection as the first line of defence against the harms of COVID-19.
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@JohnSnowProject
The John Snow Project
4 months
2/15 Was it when the US CDC advised that COVID-19, "Can have lasting effects on nearly every organ and organ system of the body weeks, months, and potentially years after infection.”
@JohnSnowProject
The John Snow Project
1 year
The failure to recognise the ongoing severity of COVID-19 is creating a reality gap that is being filled by groups peddling misinformation.
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@JohnSnowProject
The John Snow Project
9 months
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@JohnSnowProject
The John Snow Project
4 months
13/15  As we enter the fifth year of the pandemic (yes, it's still a pandemic: ) with mounting evidence of the harms of reinfection, we repeat our call for leaders to step up.
@JohnSnowProject
The John Snow Project
5 months
Where are our leaders?
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@JohnSnowProject
The John Snow Project
4 months
14/15 In 2024, let’s all stop listening to unsubstantiated misinformation and pay attention to experts who are trying to help protect us and our loved ones from a novel virus that has been shown to cause long-term harm.
@mvankerkhove
Maria Van Kerkhove
4 months
Long🧵 #COVID19 and where we are. I’m worried. We are entering the 5th year of the pandemic and we are certainly in a different phase. This phase is marked by an evolving virus (with the XBB and BA.2 sublineages circulating and JN.1 becoming dominant).
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@JohnSnowProject
The John Snow Project
2 years
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@JohnSnowProject
The John Snow Project
2 years
No lo respires
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@JohnSnowProject
The John Snow Project
4 months
11/15  There are some people who say COVID-19 is ‘just a cold’ and that we should stop caring about it. These people are spreading dangerous misinformation that is at odds with official public health guidance, which generally advises people to do what they can to avoid infection.
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@JohnSnowProject
The John Snow Project
4 months
4/15 Or was it when the US Department of Health and Human Services said, “Repeat COVID infections increase your risk for both hospitalization and Long COVID.”
@JohnSnowProject
The John Snow Project
1 year
“Repeat COVID infections increase your risk for both hospitalization and Long COVID.”
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@JohnSnowProject
The John Snow Project
4 months
5/15  Or when a US National Institutes of Health study found a greater risk of Long Covid following Omicron reinfection, echoing earlier work by @zalaly that shows an increased cumulative risk of Long Covid with multiple reinfections?
@JohnSnowProject
The John Snow Project
11 months
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@JohnSnowProject
The John Snow Project
4 months
3/15 Was it when the US CDC recommended children wear masks to school, saying, “Wearing a mask can give extra protection to help them stay healthy. Masks also help to prevent children from spreading COVID-19 to other people.”
@JohnSnowProject
The John Snow Project
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@JohnSnowProject
The John Snow Project
4 months
12/15 The John Snow Project only shares high quality evidence and official government guidance. The next time someone tells you COVID-19 is ‘just a cold’, ask them for an official government source to back up their claim.
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@JohnSnowProject
The John Snow Project
4 months
15/15  Like @mvankerkhove we have hope and trust in the tools that are recommended by the @WHO and others: respirator masks, testing, isolation, vaccines, clean air, and therapeutics.
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@JohnSnowProject
The John Snow Project
2 years
It damages your immune system:
@LongCovidLearn
LongCovidLearning.org
2 years
Source: Find this and more #LongCovid research made simple:
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@JohnSnowProject
The John Snow Project
4 months
10/15 Or was it when the Royal College of Nursing and other medical unions and organizations joined the World Health Organization and the John Snow Project in calling for the return of masks in healthcare?
@JohnSnowProject
The John Snow Project
5 months
The Royal College of Nursing and the World Health Organization join the John Snow Project in calling for universal masking in healthcare. Download our open letter and send it to your local healthcare provider and/or political representative:
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@JohnSnowProject
The John Snow Project
4 months
7/15  Or when the US NIH advised that, “The persistent symptoms after COVID-19 that have been described in children are similar to those seen in adults." And that, "Cardiopulmonary injury, neurocognitive impairment, and new-onset diabetes may occur.”
@JohnSnowProject
The John Snow Project
10 months
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@JohnSnowProject
The John Snow Project
2 years
The haunting effects of brain damage:
@LongCovidLearn
LongCovidLearning.org
2 years
Source: Find this and more #LongCovid research made simple:
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@JohnSnowProject
The John Snow Project
4 months
8/15  Or when the @WHO and a number of government agencies advised people that the only way to avoid Long Covid is to avoid catching SARS-CoV-2 and getting COVID-19?
@JohnSnowProject
The John Snow Project
9 months
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@JohnSnowProject
The John Snow Project
4 months
9/15 Was it when Statistics Canada published data showing the risk of Long Covid increases with reinfection? Or when the Chief Science Adviser to the Canadian government advised people to avoid COVID-19 infection?
@JohnSnowProject
The John Snow Project
5 months
“No one I know has Long Covid”
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@JohnSnowProject
The John Snow Project
4 months
6/15 Or when the US Department of Health and Human Services said, “To prevent Long COVID the best protection remains to prevent COVID-19 in the first place by taking precautions like staying up to date with your COVID-19 vaccine.”
@JohnSnowProject
The John Snow Project
10 months
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@JohnSnowProject
The John Snow Project
1 year
Instagram version:
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@JohnSnowProject
The John Snow Project
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@JohnSnowProject
The John Snow Project
2 years
Follow @LongCovidLearn for key findings from the global research community made simple and accessible to all.
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@JohnSnowProject
The John Snow Project
2 years
It’s common:
@LongCovidLearn
LongCovidLearning.org
2 years
🦠 Long Covid ➡️ 48% affected 6-18 months later Find this and more #LongCovid research made simple: Source:
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@JohnSnowProject
The John Snow Project
2 years
谨防吸入病毒
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@JohnSnowProject
The John Snow Project
2 years
It damages multiple organs:
@LongCovidLearn
LongCovidLearning.org
2 years
Source: Find this and more #LongCovid research made simple:
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@JohnSnowProject
The John Snow Project
2 years
Current vaccines are not enough:
@LongCovidLearn
LongCovidLearning.org
2 years
Source: Find this and more #LongCovid research made simple:
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@JohnSnowProject
The John Snow Project
2 years
Even young people are at risk:
@LongCovidLearn
LongCovidLearning.org
2 years
Source: Find this and more #LongCovid research made simple:
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@JohnSnowProject
The John Snow Project
1 year
Allons-nous choisir d'empêcher les décès de Covid?
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@JohnSnowProject
The John Snow Project
9 months
Absolutely correct of @ashishkjha to flag that BA.2.86 may represent an increased transmission risk. People should follow the official US & international government guidelines to protect themselves against Long COVID:
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@ashishkjha
Ashish K. Jha, MD, MPH
9 months
3 questions 1. Is it more transmissible? 2. Does it cause more severe disease 3. Will our tests, vax, & treatments still work We don't know the answers yet But preliminarily, I suspect #1 may be yes #2 likely no #3 likely yes So as usual, lets get data to drive our response
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@JohnSnowProject
The John Snow Project
2 years
@msteenhagen Absolutely 👍 Email incoming.
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@JohnSnowProject
The John Snow Project
5 months
Where are our leaders?
@JohnSnowProject
The John Snow Project
5 months
Where are our leaders?
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@JohnSnowProject
The John Snow Project
1 year
On the 10th anniversary of the passing of 9 yr old Ella Adoo-Kissi Debrah we support #EllasLaw and come together in the hope for a clean air future for all. #HappyBirthdayEllaRoberta #10thAnniversary #EllasLawNow #CleanAir #LongCovidKids #LongCovid
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@JohnSnowProject
The John Snow Project
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The John Snow Project
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The John Snow Project
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The John Snow Project
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The John Snow Project
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The John Snow Project
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The John Snow Project
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@JohnSnowProject
The John Snow Project
9 months
@VirusesImmunity Thank you, Professor Iwasaki. We agree.
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@JohnSnowProject
The John Snow Project
1 year
@hausofhemlock @RealOzSAGE Thanks. The YouTube version has subtitles, but Twitter was having issues with them. Hope this helps.
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The John Snow Project
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The John Snow Project
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The John Snow Project
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The John Snow Project
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