#Efficacy

Jim Al-Khalili

jimalkhalili

1/3 This report from the Joint Committee on Vaccination and Immunisation (JCVI) is useful(https://www.cas.mhra.gov.uk/ViewandAcknowledgment/ViewAttachment.aspx?Attachment_id=103741). In summary... 2/3 Published efficacy between doses of Pfi

Nitish Singh

realnitsin

Noticed many people misinterpreting efficacy as effectiveness while talking or commenting around Pfizer/Moderna vaccines for Covid-19Efficacy is basically the performance of a treatment under an "ideal and controlled environment"

Saket Gokhale

SaketGokhale

Exclusive:I’d asked the Modi govt for clinical trial, safety, & efficacy data of Bharat Biotech’s Covaxin based on which it was approved. The govt refused to disclose it on the

David Benkeser

biosbenk

Interesting thread on single-dose trials. Worth reading to hear from some real public health leaders and Nate Silver.Unfortunately, I don’t see a way forward for new single dose efficacy trials

Dr. Angela Rasmussen

angie_rasmussen

Here's some more good news. Pfizer/BioNTech's phase 3 trial has concluded after reaching its primary efficacy endpoints, and saw a boost from 90% to 95% efficacy. And this press release

Mia Malan

miamalan

[Thread] 1.What does #Novavax #CovidVaccine results mean for SA? The jab has 49.4% efficacy in SA (UK: 89%). The #501yv2 variant likely had an impact on SA's results: participants were

Jim Al-Khalili

jimalkhalili

1/6 We need clear, transparent information on issue of delaying the 2nd Pfizer jab from 3 weeks to 12 weeks. Pfizer don't know if this is a good idea because

The C O N T R A R I A N

ZeContrarian7

A new very large convalescent plasma study (35K patients) came out with positive data this week. Combined with positive news on KMDA’s early trial enrollment and efficacy we believe this

Nirav D. Shah

nirav_mainecdc

1/The @US_FDA just released its scientific analysis of the safety/efficacy of @pfizer's #COVID19 #vaccine candidate in advance of this week's advisory committee meeting. https://www.fda.gov/media/144245/download 2/From the executive

Andrew Lilico

andrew_lilico

I'm going to present some scenarios for how the pandemic evolves to April 6th. Only 1 thing will vary across scenarios: the R value of whatever relaxations occur on Mar-8.

Natalie E. Dean, PhD

nataliexdean

Another exciting Monday morning for COVID-19 vaccines! Moderna is reporting 94.5% efficacy for their mRNA vaccine.Read on for a biostatistician's breakdown of the interim results. 10 tweets on severe disease,

Dr. Urso

richardursomd

Many are asking about the new covid vaccine. Should I take it? Let’s analyze where we are without the hype. Is the technology is proven and reliable?Is there animal data

Hilda Bastian, PhD

hildabast

Preprint of the South African phase 1b/2 trial for the Oxford/AstraZeneca vaccine is online. Primary efficacy analysis is for 2,026 people who weren't infected with HIV (there was also a

Sam Freedman

Samfr

This is superb news. A 4th working vaccine and UK has ordered 60m doses.https://twitter.com/BBCFergusWalsh/status/1354899361365422085 J+J reporting next week. That will hopefully give us 5. Hugely important in speeding up the

Dr Michelle Ananda-Rajah

rajah_mich

There are a lot of stats re efficacy flying around for the AZ vaccine. Lets go thru them:-70.4% is a pooled estimate from the low dose & standard dose groups,Dec

Carl T. Bergstrom

CT_Bergstrom

A somewhat technical thread about measuring vaccine efficacy.We're used to the notion that certain properties of tests for disease depend on prevalence: positive and negative predictive value do, for example,

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