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#Prevalence
Yardley Yeadon
MichaelYeadon3
MOST peculiar that Van Tam is bloviating about “cases”. He must know that Govt has realised that the PCR test has a much higher false positive rate than the prevalence
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Sterling Haring
SterlingHaring
I’m commonly asked “Why don’t we just test everyone for #COVID2019 ?”I’ll explain below in this #epitwitter #medtwitter #tweetorial #thread – Please share/RT to help spread real understanding in the
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Trevor Sutcliffe
TrevorSutcliffe
A strange pattern has emerged in COVID-19 CFRs in Switzerland.COVID-19 has been twice as likely to kill patients in French-speaking cantons of Switzerland than in German-speaking, and more than twice
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Rachael Meager
economeager
Heads up econofolks: data that are *generated* by testing -- such as, say, indicators of who has a disease or who has antibodies in their blood -- are subject to
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Dr David Robert Grimes
drg1985
Hi @JuliaHB1 - your claim here is highly misleading, and misunderstands #CovidTesting. I'll try explain why: firstly, the sensitivity of PCR #COVID19 test is ~98%, specificity 98.9%. Now, false positives
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Jennifer Gunter
DrJenGunter
My understanding is the commercial antibody test has specificity issues. California dept public health is working with several partners to get an appropriate test. 1 Remember, sensitivity and specificity matter
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Laurie Garrett
Laurie_Garrett
Looking over racial dist data for #NYC #COVID19 deaths, I'm struck by #hypertension issues. The #SARSCoV2 virus acts thru angiotensin receptors - related to hypertension. It would be great @NYCHealthCommr
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Himani Chandna
ChandnaHimani
Finally, results of sero-prevalence study are out by @MoHFW_INDIA . On an average, across Delhi, the prevalence of IgG antibodies is 23.48 %. The study also indicates that a large
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Ian Jones
ian_a_jones
Latest map showing prevalence of confirmed #coronavirus cases across the UK. Here's how prevalence has changed in the UK over the past seven days - a "clean" version and also
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Prof. Devi Sridhar
devisridhar
Keep being asked questions about meeting/travel over the holidays that people want to hear an emotionally reassuring & comforting answer. I can't do that as a public health scientist right
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The Immunologist
eclecticbiotech
A small thread on the basic mathematics of diagnostic testing. Loosening social distancing guidelines and reopening cities/nations with the #COVID19 antibody test that we currently have may put healthy, susceptible
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James Barry
JamesBarry1789
I'm DONE with performative femininity. Being a woman isn't a FEELING. You don't get to IDENTIFY into being a woman. Don't INSULT women with your version of womanhood. Want to
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Natalie E. Dean, PhD
nataliexdean
“Nobody knows the truth — let’s be honest,” Dr. Ioannidis said of the prevalence figures. “But if I had to guess, I would say it is probably higher than our
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Steven Riley
SRileyIDD
We seem to be at a crossroads in our COVID response in England. It's different to March. Everyone understands the implications of social distancing and also of higher prevalence of
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Nana Kofi Quakyi
nkquakyi
THREAD: The "positivity rate" on which the future of the lockdown was decided is a particularly awful data point that tells a misleading story about #COVID19 infections. Take the travelers
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Dr Zoë Hyde
DrZoeHyde
(1/5) Study of #SARSCoV2 antibody prevalence in children from Bavaria, Germany, showing infections in children were 6 times higher than PCR tests suggested, and that young & older children were
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