#Infectiousness

A Marm Kilpatrick

DiseaseEcology

Will vaccination reduce transmission or just disease?Do 3 vaccines w interim or final phase 3 results (Pfizer, Astrazeneca, Moderna) reduce asymptomatic infections & does reduced symptomatic infection imply reduced infections?Thread

Rapid Tests

RapidTests

A new study shows rapid tests detect >85% of probable infectious cases (cases with high viral counts). The ability to detect these cases was just as good in symptomatic and

A Marm Kilpatrick

DiseaseEcology

Viral loads (& age but not symptoms) influences transmission probability, incubation period & symptomatic/asymptomatic outcome.Fantastic new study @dr_michaelmarks. Tons to learn & haven't seen any detailed thread yet, so he

Ryan McNamara 🧬

Ryan_Mac_Phd

Virus fragments can exert pathogenic effects inside a host, but that's distinct from being infectious.To be infectious, a virus particle must be intact. This includes the virus genome and the

Allen Cheng

peripatetical

Why would we use a vaccine that mightn't prevent transmission? Should we use one particular vaccine, or roll out the vaccines we have as broadly and quickly as possible? I'd

Phil Booth

EinsteinsAttic

Apropos of @thesundaytimes article, a few thoughts: firstly, as I tweeted 2 days ago & in stark contrast to the #transparency around other tech/data intitiatives - *cough* @NHSEngland #DataStore

Dan Larremore

DanLarremore

Preprint: Viral surveillance testing is crucial, but not all surveillance strategies are equal. We modeled the impacts of test frequency, assay limit of detection, test turnaround time, measuring impact on

Bill Hanage

BillHanage

Very interesting preprint on epidemiology of B.1.1.7 (or the 'Variant of concern' - VOC) in SE England. Have not fully digested but there are some important take homes 1/n https://cmmid.github.io/topics/covid19/reports/uk-novel-vari

Rapid Tests

RapidTests

The FDA has a well-intentioned requirement for asymptomatic data.But that requirement greatly slows down progress on rapid tests, and new data suggests it isn't even necessary anymore! In light of

David Dowdy

davidwdowdy

New piece on subclinical TB in @ATSBlueEditor by the thoughtful @emilyakendall and @soustha - ahead-of-print paywall (working on it), so here's a quick thread, using figures presented elsewhere.Many of these

Marc Lipsitch

mlipsitch

From giving advice recently to a friend who was symptomatic, got tested and was told to expect a 3-5d delay, I've come to realize a gap in our prevention approach.

Tom Dolphin

thomasdolphin

Hospital after hospital is activating surge plans and redeploying staff or declaring major incidents.We haven't even got to the part where Christmas gathering-related infections show up at the hospital yet.This

Whitney R. Robinson

WhitneyEpi

1/ Maybe it’s my #epitwitter bias, but I get frustrated by the outsized attention these hospital-based viral load comparison studies (kids vs adults) get. And interpreted as children as a

Michael Hobbes

RottenInDenmark

Weird how everyone with expertise in epidemiology, the CDC or the "damning" slide presentation in question doesn't agree with this account of events.https://twitter.com/Yascha_Mounk/status/1341866668528717824 This is the slide

A Marm Kilpatrick

DiseaseEcology

ALOHA may be in troubleStart. Aug 1 you can go to Hawaii w/out 14d quarantineJust $150 to get #COVID19 test 72 hrs before flight & if negative & no fever

Benjamin Mazer

BenMazer

I think it's become clear that rapid antigen testing for COVID19 proponents are simply unserious. They prop up a straw man: that lab medicine impractically worships the god of sensitivity.

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