#Seropositive

HermisHuman

Andy_Redd

The South African serology results from the @Novavax vaccine trial drastically need more clarification. From the protocol posted in their Phase 2 results it appears they used an in-house ELISA

A Marm Kilpatrick

DiseaseEcology

Misleading paper is being promoted as showing that transmission in schools is unlikely and children are less susceptible to #COVID19. Data presented show opposite - equal attack rate in all

John P. Hussman, Ph.D.

hussmanjp

2/ My reading of the Pfizer results is that protection emerges after about 10 days (which is about where one would expect people to be come seropositive) and flattens after

Andrew💙Croxford

andrew_croxford

NEW THREAD: But one with a potentially small target audience, namely front-line #NHS staff of all stripes who have had SARS-CoV-2 infection at some point during the pandemic, and are

Eric Feigl-Ding

DrEricDing

Huge ANTIBODY study in NYC among 40,000 health care professionals. Key #COVID19 findings:13.7% were seropositive. Of 6078 w/ previous PCR testing, 34.8% were PCR positive. Of previous PCR-positives, 6.5% had

Carl T. Bergstrom

CT_Bergstrom

No cross-strain protective immunity? Based on what evidence? Even the linked story—which @UW_IHME wrote—says nothing of the kind.I think people still listen to @UW_IHME even after last spring's modeling fiasco.

Eric Topol

EricTopol

From serology studies it is estimated that 80 to 100 million Americans have had covid-19 infections. New data from @florian_krammer and colleagues suggests that, with + antibody testing, 1 dose

Monica Gandhi MD, MPH

MonicaGandhi9

I know I am all over the place today but my 2 favorite COVID-19 topics are masking & immunity. Today good day for masking & here is another study (super

Kaitlyn Sadtler, PhD

KSadtler

By July of 2020, 16.8 million people in the US had #COVID19 -- and didn’t know it. Read our pre-print @medrxivpreprint (1/13)https://www.medrxiv.org/content/10.1101/2021.01.27.21250570v1 We called out for volunteers that never

Vincent Rajkumar

VincentRK

India has 1.3 billion people. 4 times that of the US. What’s going on is just amazing and needs in depth immunologic studies. These are raw numbers! When I adjust

Eric Feigl-Ding

DrEricDing

Great news—MOTHER TO INFANT ANTIBODY TRANSFER! New study demonstrates #SARSCoV2 IgG antibodies were transferred across the placenta to infant cord blood in 87% of pregnant women with antibodies. Potential for

Vincent Rajkumar

VincentRK

Breaking: Over 50% of Delhi is seropositive for COVID. @ndtv @divyanshu @rishika625 @GargiRawat @nramind @bimalarya This supports my earlier thread on protection through cross reactive immunity. Otherwise the loss of

Eric Topol

EricTopol

My podcast w/ Paul Offit, one of the world's leading lights on vaccines, regarding #SARSCoV2 vaccine developmenthttps://www.medscape.com/viewarticle/936937 @MedscapeIt's rich and I'll summarize key points here 1. "It's

Shane Crotty

profshanecrotty

2/ I covered the great news from the Novavax COVID vaccine UK Phase 3 trial.https://twitter.com/profshanecrotty/status/1355259172640591872?s=20 3/ I covered the excellent news from the J&J COVID vaccine Phase 3 international trials.http

Shane Crotty

profshanecrotty

1/ Now for the thornier data. 2/ I covered the great news from the Novavax COVID vaccine UK Phase 3 trial.https://twitter.com/profshanecrotty/status/1355259172640591872?s=20 3/ I covered the excellent news from the J&J

Fionna O'Leary, 🕯🇪🇺

fascinatorfun

Up to 100 UK children a week hospitalised with rare post-Covid disease12-15 a day since early January.Evelina hospital records showed that 60% of the 107 cases of PIMS they had

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