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#Asymptomatic
Adam Briggs
ADMBriggs
This is v helpful thread from @scienceshared.One thing missing is positive predictive and negative predictive values (PPV and NPV) that crucially depend on what proportion of people being tested have
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Abir Ballan 😊
abirballan
36:48“If I’m wrong I want to be corrected so I can be right next time”- @MichaelYeadon3 Micheal, you have all my admiration. This is a rough transcript (not verbatim) of
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Shannon Young
SYoungReports
Mexican health authorities are presenting preliminary findings of limited serological surveys for SARS-CoV-2. Findings: of the samples studied, nearly 25% tested positive for antibodies. Around 70% of those testing positive
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Carl T. Bergstrom
CT_Bergstrom
Good update on pooled testing; dreadful headline.https://www.nytimes.com/2020/08/18/health/coronavirus-pool-te.html The thing is, pooled testing *is* working in many places, as the story clearly explains. The story addresses how pooled tes
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A Marm Kilpatrick
DiseaseEcology
How should we interpret #COVID19 case counts given the enormous variation in testing? A quick cautionary thread.As everyone knows the # of "confirmed cases" for COVID19 are a small fraction
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Jace #KBF
SmallStocksJay
"Does not raise an arguable question of law"We are restricting what the healthy do on unproven science.Asymptomatic transmission was the basis for the lock up! Something that is based on
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Maria Van Kerkhove
mvankerkhove
1/ Re-sharing this thorough systematic review & meta-analysis of % asymptomatic infection & asymptomatic /presymptomatic/ symptomatic transmission of #SARSCOV2 - @nicolamlow & cohttps://journals.plos.org/plosmedicine/article?id=
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Robert Dingwall 🏴 🇪🇺 Reunite
rwjdingwall
.@ClareCraigPath has been getting a hard time for questioning whether an asymptomatic infection can be a disease. She has a better grasp of the philosophical issue than her critics, which
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Allen Cheng
peripatetical
A few comments on endpoints for COVID vaccine trials. For regulators, the main question when considering effectiveness is whether the vaccine reduces the risk of symptomatic COVID.https://twitter.com/ProfMattFox/status/1340662431115309060 B
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Brad Siroky
BradSiroky
@cdc is hanging it’s policy hat largely on this study from WI: https://www.cdc.gov/mmwr/volumes/70/wr/mm7004e3.htm How can they make broad policy decisions on the transmission rate in schools based on a study
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Dr Zoë Hyde
DrZoeHyde
Study showing that children can be infected with #SARSCoV2, but still test negative.Two parents infected their 3 children, who tested negative 11 times (NP swab PCR test). Antibody blood tests
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Ryan Hisner
LongDesertTrain
1/ So I found out this garbage meta-analysis is apparently being shared all over the place. I decided to take a look at the studies they cited as evidence that
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Richie5Angels
Demon1111Slayer
The PCR test currently in use is unreliable and essentially worthless..it MIGHT show a few tiny fragments of what may possibly be a novel virus, but it shows NOTHING that
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Cara Brook
caraebrook
Excited to share our pre-print on optimizing #COVID19 control with asymptomatic surveillance testing, an inspiring collaboration with the #UCBerkeley SARS-CoV-2 testing lab @igisci. https://www.medrxiv.org/content/10.1101/2020.11.12.2023087
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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
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DR JAGADISH J HIREMATH
Kaalateetham
Asymptomatic Corona positive person is as contagious as a symptomatic patient.It is wrong to assume that because he is alright, he will not spread the disease.Also asymptomatic persons can become
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