Discover and read the best of Twitter Threads about #aerosols

Most recents (24)

After top 100 updates we will put the top 120 updates , we will start with a thread of top 100 & then move along .
It is a concerning since we may end up seeing either multiple pandemics together or relay race as new organisms try jump into humans ctd)
101/n Whie people like all of us were fighting #Covid , #Hepatitis in kids we all missed how 1284 people got #monkeypox with lethality of 4.5 % ctd)
102/n Interesting paper on efficacy of soaps shows that 1 min hand washing to be effective in cell free virus but not as much in intracellular virus doi.org/10.1016/S0166-…
Ctd)
Read 21 tweets
Dans les prochaines semaines, nous allons expérimenter ce que signifie «vivre avec le virus »
presque sans aucune méthode de mitigation hormis la vaccination.

Plusieurs d’entre nous attraperont la COVID-19 pour la 2e ou la 3e fois.
1/9
En effet, si les vaccins disponibles actuellement s’avèrent efficaces pour prévenir les formes sévères de la maladie, ils n’ont que peu d’effet sur la transmission du virus.
2/9
Ces infections à répétition ont un impact. Elles ont un impact économique: plusieurs restaus, bars et salles de spectacle ont dû fermer temporairement cette semaine à cause du nombre trop élevé de leurs employés malades. Elles ont, surtout, un impact sur notre santé.
3/9
Read 9 tweets
I sympathize. But let's distinguish effective protections from deficient & arguably captured PH directives.
1/n
Much (most) of our successes were voluntary--our official failures through trust loss--via "noble" lies & nudges, soft then hard coercion, wishful thinking on vaxx superspreaders (Go Leafs, BC Hug Day), avoiding inconvenient data #aerosols, then division --
The West (BC) turned a triumph of voluntary compliance (80-90%) vaxx rate, into a fiasco of coercion for the remaining fraction; scandalously stalled or obstructed early treatment--theirs is a colossal, comprehensive PH failure.
Read 5 tweets
We won’t be sending our son back to school on Monday.

A thread for any QLD parents who are still undecided. . .

@DrShaneRRR @drkerrynphelps @PMGPSC @NjbBari3 @DrCatherineBall @CrabbBrendan @DrZoeHyde @MackayIM @drgregkelly @1CeliaGreen @YouAreLobbyLud @normanswan #covidschools
2/ Son is due to start year six on Monday at a state primary school in Brisbane. We've had a close look at the QLD govt’s Back to School plan and talked to the principal about how it will be implemented.

qed.qld.gov.au/covid19/back-t…
3/ It’s clear the QLD govt’s Back to School plan is grossly deficient and exposes kids to much greater risk of COVID than it should.

The plan has 7 major failings. . .
Read 26 tweets
Oui je radote depuis des mois sur l’importance du #masque, de l’#aération et de la #ventilation pour lutter contre la #covid19. Alors voilà une petite contribution pour tenter de mieux comprendre ou même de convaincre ceux qui ont des doutes. #CestParti #thread👇👇👇1/12
Mais d’abord ce petit sondage. La #ventilation est cruciale dans tout lieu intérieur pour lutter (notamment) contre la #Covid19 : 2/12
La #Covid19 peut se transmettre par les mains (d’où l’importance de se les laver) et par les gouttelettes de salives (les jolis postillons☺️). Mais la contamination peut aussi se faire par #aérosols, et c’est le mode de transmission principal, surtout en milieu intérieur. 3/12
Read 12 tweets
I'm excited to share with you our recent @biorxivpreprint where we demonstrate that @vaxart mucosal Ad5 #SARSCoV2 vaccines not only protected against disease but also reduced transmission after post-#vaccination #SARSCoV2 infection in a hamster model. biorxiv.org/content/10.110… A🧵/
If you follow me, you are well aware of my obsession w/ #mucosalimmunity.😂Protection generated at mucosal surfaces is at the crux of one of the biggest questions we need to answer during this unique phase of the #pandemic - How do we decrease #SARSCoV2 #transmission to others.
Considering most of the world is unimmunized (including most kids <12), the possibility that a vaccinated individual with a post-vaccination infection (aka #breakthrough) can spread #SARSCoV2 is a public health risk. We need #transmissionblocking strategies.
Read 19 tweets
⭐️Things we need to rethink in BC given #COVIDisAirborne!⭐️

A thread 🧵of misguided assumptions from #DropletDogma, pseudoscience, and hygiene theatre. 1/
1. Taking your mask off behind a plexiglass barrier. Since #COVIDisAirborne those aerosols will just rise up and over and around the edges of your barrier. Some evidence suggest a barrier may even pool and trap aerosols and interfere with ventilation. Not great! 2/ Woman smiling behind plexiglass barrier in her office, slidi
2. Gappy surgical masks that don't seal over the nose or at the cheeks. Aerosols can just go in and out those gaps. Any mask is always better than none, but these are poorly fitting and reduce filtration efficiency bigtime. #COVIDisAirborne 3/ woman wearing ill-fitting surgical maskgirl wearing ill-fitting surgical maskwoman wearing ill-fitting surgical maskwoman wearing ill-fitting surgical mask
Read 23 tweets
We have been building homes in rural Haiti over the last year and have completed 8 of 15. In the recent earth quake, these homes survived. I’m just starting a gofundme so we can begin the next 7. I committed myself to share it by EOD. #tweet100 gofund.me/fe3a9846
2/ Check out the link! It’s the first time I’ve ever run such a drive so if anyone has experience or feedback I’d love to hear it. The project origins: At the beginning of the pandemic lockdowns in spring 2020 our family first had to adjust to the shock to our own lives..
3/ but as we adjusted to the change our next thought was our friends at @MPM_Haiti mpmhaiti.org. Years ago, when I was first wondering how to go about charitable giving my friend @matt_belcher said I should talk to his friend Christian, who co-founded the charity..
Read 47 tweets
It's #airborne! '#SARSCoV2 is largely transmitted in airborne fashion via #aerosols, which people exhale, and which can remain in the air for long periods of time if a room is not well-ventilated.'

Has the UK government ensured that our schools are ready?
news.mit.edu/2021/study-pro…
'Open windows and a good heating, ventilation, and air conditioning (HVAC) system are starting points for keeping classrooms safe during the Covid-19 pandemic.'

'But they are not the last word, according to a new study from researchers at MIT.' @MIT
'Study, @MIT, shows how specific classroom configurations may affect air quality and necessitate additional measures, beyond HVAC use or open windows, to reduce the spread of aerosols, those tiny, potentially Covid-carrying particles that can stay suspended in the air for hours.'
Read 8 tweets
Why it is important to equip day-care centres and #schools with mobile #air #filters: #Aerosol researchers launch position paper!

The scandal about the still insufficient equipment of day-care centres and #schools with #mobile #air #filters suggests that…
@realBertBlocken
1/x
decision-makers in the ministries and administrations have still not understood how infections with the #coronavirus occur. The Deutsche Forschungsgemeinschaft (#DFG, German Research Foundation) is now countering this
2/x
with an information paper that explains the correlations in simple terms.
It clearly states that it is ⚠️#negligent to rely solely on window ventilation in educational institutions.⚠️
3/x
Read 31 tweets
Read 'em for you. There are a number of not-surprising facts that these documents make clear. Our Public Health response was not guided by the best evidence available. Curious as to whether political interference and the interest of certain lobby groups played a role. (1/31)
"Monetary compensation for lost wages, trust in public health regulations and worry about infection was linked to increased intent to adhere to quarantine. However, stricter sanctions, higher fines and penalties for violators did not impact adherence." AB chose the former 2/31
The incubation period across all meta-analyses was an average or median of 5-7 days with the longest reported to be 32 days. There was some evidence the average incubation period may be longer for children and older adults. IMP: the 3 day isolation hotel is nonsensical. 3/31
Read 31 tweets
Le saviez-vous? #LeSaviezVousCOVID

La @SFAR_ORG vient de publier des nouvelles recos dans le cadre de la pandémie COVID
#MondayMotivation car c’est drastique‼️

Le travail de synthèse des experts a abouti à 65 recommandations.
#thread de morceaux choisis en 1️⃣5️⃣ tweets 👇🏽
1️⃣⚠️Organisation des consultations
Cela dit c’est aussi valable pour tous les types de consultation #CovidIsAirbone poke @corinne_depagne
2️⃣Les experts suggèrent que, lors d’une procédure à risque d’aérosolisation chez un patient, quel que soit son statut COVID-19, tt soignant porte un masque FFP2,une coiffe et une protection oculaire (lunettes de protection occlusives ou écran facial). #CovidIsAirborne #aerosols
Read 17 tweets
❗️@WHO updates on main mode of SARS-CoV-2 🦠 transmission❗️

2021.04.30 Q&A ⤵️ ‘How does #COVID19 spread between people?’

I cannot overstate how seismic this paradigm shift is, and should be, in guiding a revised Risk Assessment & Controls framework.

who.int/news-room/q-a-… Image
The virus 🦠 SARS-CoV-2 can spread from an infected person’s mouth or nose in small liquid particles when they cough, sneeze, speak 🗣, sing 🎤, or breathe🧘🏻‍♀️.

[why mask needs to cover👃& 👄]

These particles range from larger respiratory droplets 💧 to smaller #aerosols 💦. Image
The SARS-CoV-2 virus 🦠 spreads *mainly* between people in close (short-range) contact, typically within 1 meter (3 feet) of each other.

How?
When #aerosols or droplets containing the virus 🦠 are INHALED or come into DIRECT CONTACT with the [mucous membranes of] 👀,👃, or 👄. Image
Read 6 tweets
@mariealablouse
Oui et 1 prévention eut été d'enseigner les #aerosols aux français et le choix et la façon de porter le #masque.
Pour que ce ne soit pas un distributeur capteur d'aérosols
Je n'arrive pas à faire passer le message en haut
@helenerossinot @FLAHAULT @jljcolorado
Depuis juillet ai écris à CDO national, Macron, Véran, tous les députés et sénateurs médecins, 2 députés, presse régionale et plus..
On ne voit pas l'intérêt d'un bon #ConfinementPortatif
Réveillez-vous la haut, flute ! (suis poli) Le diable est dans les détails du port du masque
Read 9 tweets
@JFaerber @JaquetIsabelle 1/2
Inquiétant. Faute FFP2 vous conseille d'appliquer ce que proposent les CDCs des USA. Rendre étanche un masque chirurgical par une petite manip facile. Documentation sur demande. Oui, scandaleux que l'on n'enseigne pas aérosols et masque en 🇫🇷
démo ↘️
@JFaerber @JaquetIsabelle 2/3
Faire suivre => ENSEIGNANTS
@JFaerber @JaquetIsabelle 3/N
Mieux vaut un chirurgical qui ne fuit pas qu'un FFP2 mal ajusté qui inspire par le tour du nez.
Autre tweet en anglais (facile)
Read 18 tweets
1 year ago I got infected w/ #SARSCoV2. I still haven't recovered. I'm not the same person. #LongCovid has fundamentally changed my view on other chronic diseases. I'm a @LongCovidCH advocate fighting for recognition, guidelines for diagnosis & management, & more research. 1/8
I believe most infections happen via #aerosols indoors. #SARSCoV2 is airborne. Measures like 1.5m distance, disinfection of surfaces, plexiglass separation are pathetic & give false security. Wearing the wrong masks or wearing them wrong or not at all is ignorant. #WearAMask 2/8
Children, adolescents & adults can get infected & transmit #SARSCoV2. About 10% of them will suffer from #LongCovid. Irrespective of age, gender, fitness level, health, comorbidities. Risk factors: being female, immunological sensitivity, higher BMI (apparently, not sure) 3/8
Read 8 tweets
Reducing #COVID19 #Airborne #Transmission Risks on #PublicTransportation Buses
» doi.org/10.1101/2021.0…
Wearing of #facemasks reduced the overall particle count released into the bus by an average of 50%, the dispersion distance by several feet and #aerosol particles by 84.36%. Image
🔝#SARSCoV2 Infects Human Engineered Heart Tissues and Models COVID-19 Myocarditis
» doi.org/10.1016/j.jacb…
#COVID19 can kill heart muscle cells, interfere with contraction. Details of how #coronavirus infects #heart: models of tissue damage may help develop potential therapies. Image
High-content screening of coronavirus genes for innate immune suppression reveals enhanced potency of SARS-CoV-2 proteins
» doi.org/10.1101/2021.0…
196 protein products of seven coronaviruses: the genes encoded by #SARSCoV2 are generally more potent immune suppressors than others Image
Read 236 tweets
⚠️#Ocular #MRI Findings in Patients with Severe #COVID19: A Retrospective Multicenter Observational Study
» doi.org/10.1148/radiol…
All patients had nodules in the macular region, 8/9 (89%) had bilateral nodules, 2/9 (22%) had nodules outside the macular region. Screening needed. Image
⚠️🔝New-Onset #IgG #Autoantibodies in Hospitalized Patients with #COVID19
» doi.org/10.1101/2021.0…
An international team of researchers studying COVID-19 has made a startling and pivotal discovery: The virus appears to cause the body to make weapons to attack its own tissues. Image
⚠️🔝Patterns of myocardial injury in recovered troponin-positive COVID-19 patients assessed by cardiovascular magnetic resonance
» academic.oup.com/eurheartj/adva…
Damage to the heart found in more than half of #COVID19 patients discharged from hospital who show raised levels of troponin. Image
Read 235 tweets
1/ Q: What’s up with the new @CDCgov #mask study?

A: Good news, #doublemasking or tightening up ear loops works!
2/ Remember the key features of effective masking: #FILTERING & #FIT.

The @CDCgov released a new experimental study testing ways to improve mask fit for cloth & medical masks to reduce leakage around the edges. cdc.gov/mmwr/volumes/7…
3/ Using mannequin “headforms” & simulated #coughing they tested:

1️⃣ #Cloth #mask over a medical mask (double masking)
2️⃣ #Medical #mask with knotted ear loops & tucked in sides
Read 9 tweets
#Covid19 If you’re new to understanding #airborne virus transmission, here’s some background
@zeynep theatlantic.com/health/archive…
..& a really clear demonstration of #aerosols from @jljcolorado on @weatherchannel #CovidIsAirborne
.. & a 5 minute deep dive into the science of #airborne virus from @linseymarr

Airborne Transmission of COVID-19: How it works and how to protect ourselves - YouTube
Read 9 tweets

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