#Presymptomatic

Sammy Says: #COVIDzero

bdcarmichael

If you are living and breathing in Canada you need to read this document. It helps put the current DISASTER into perspective and helps to explain current outcomes.“Transmission Routes for

Yaneer Bar-Yam

yaneerbaryam

Our new @COVIDActionGrp open letter to President Elect @JoeBiden 7 Actions to start now: 1. Conduct daily national briefings with clear messaging on how citizens can stop transmission and be

Muge Cevik

mugecevik

A lot of discussion recently about transmission dynamics, most of which are extrapolated from viral loads & estimates. What does contact tracing/community testing data tell us about actual probability of

Trisha Greenhalgh 😷 #CovidIsAirborne

trishgreenhalgh

1/Thread on objections to face coverings for the general public. See this tweet for a longer lay summary.https://twitter.com/trishgreenhalgh/status/1249743825637199875?s=20 [Mute thread if you’ve had enough on this topic.] 2/Also draws on

Muge Cevik

mugecevik

A great article summarising our current understanding about asymptomatic infectionsAbout 1 in 5 people w/#COVID19 will experience no symptoms whatsoever, they have shorter viral shedding & will transmit to significantly

Trevor Bedford

trvrb

Following up on general thoughts on antigenic drift of #COVID19 from this weekend, I wanted to discuss what we know about the new variant of SARS-CoV-2 thats emerged in the

Jeffrey Townsend

JeffTownsend

, @crwells10, @abhiganit, @MeaganCFitz, @Alison_Galvani, and colleagues just had our article on optimal COVID-19 quarantine and testing strategies published @NatureComms. https://www.nature.com/articles/s41467-020-20742-8.epdf?sharing_token

Xihong Lin

XihongLin

Our paper “Reconstruction of full transmission dynamics of COVID-19 in Wuhan” is online in Nature. We showed two key features of COVID: High transmissibility (R0=3.5) & high covertness(up to 87%

Adam Hamdy

adamhamdy

1. At the risk of sounding like a broken record, after today's thread on airborne transmission and schools, I thought it would be worth looking at the government's own advice

Cory Doctorow #BLM

doctorow

Many wonder how epidemiology could have become so politicized. But epidemiology - like climate science (the other "mysteriously politicized" subject) has intrinsic politics: to take epidemiology seriously, you have to

Svetski

AleksSvetski

I've been called a Covid Denier or Conspiracy theorist by many. God knows what else by othersI'd like to make clear that despite my opposition to both the response to

Eric Feigl-Ding

DrEricDing

CDC experts on masks: Community mask wearing substantially reduces transmission of #SARSCoV2 in 2 ways: Source control of exhalationProtecting the wearer But they are *not equal*. CDC just advised double

Kyle Becker

kylenabecker

Just a few things about the Super Bowl's COVID-info myths:1. Asymptomatic spread is not a proven "thing"2. Masks are *not* proven to work (Fauci admits it)3. Lockdowns don't work &

Alex Doan

alexdoan96

I've seen this floating around a lot on Twitter and it's frustrating to see science misappropriated like this. It's additionally damaging as many well-meaning folks might see it, think it's

Roby Bhattacharyya

roby_bhatt

At the risk of shouting into the void, on papers from 2020 that most changed how I think abt COVID, as an ID physician-scientist. 280-char summaries + URLs for

zeynep tufekci

zeynep

We urgently need to focus on ventilation. Six months into a respiratory pandemic, we're still not given sensible and practical guidance against short-range aerosol—airborne—transmission of COVID. I wrote about the

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