Daily Archives: November 30, 2020
Report: SARS-CoV-2 setting-specific transmission rates. Households showed the highest transmission rates (21.1%). Asymptomatic infections do occur but much less efficiently than symptomatic infection.
30 Nov, 2020 | 01:01h | UTCFull report: SARS-CoV-2 setting-specific transmission rates: a systematic review and meta-analysis – Imperial College London
No evidence for increased transmissibility from mutations in SARS-CoV-2
30 Nov, 2020 | 01:06h | UTCCommentaries: Mutations not making coronavirus able to spread more rapidly -study – Reuters AND Covid-19 has NOT become more infectious: Study identifies almost 13,000 coronavirus mutations but none – including the dominant D614G strain – made it better at spreading – Daily Mail
Study: Fewer than 10% of people in the US had detectable SARS-CoV-2 antibodies as of September 2020
30 Nov, 2020 | 01:00h | UTCEstimated SARS-CoV-2 Seroprevalence in the US as of September 2020 – JAMA Internal Medicine
Commentaries: Less than 10% of Americans had COVID by September, study finds – CIDRAP AND Antibodies, Immunity, and COVID-19 – JAMA Internal Medicine AND Covid-19: Nationwide SARS-CoV-2 Seroprevalence Remains Low – Physician’s Weekly
Commentary on Twitter
.@CDCgov tested more than 177,000 serum samples across 52 sites (50 states, DC, and Puerto Rico) between July 27 and September 24 for #SARSCoV2 antibodies. The study found that, in 45 US sites, less than 10% of samples had evidence of previous infection https://t.co/U4hp68fFAx
— JAMA Internal Medicine (@JAMAInternalMed) November 24, 2020
Infection fatality rate of SARS-CoV2 in a super-spreading event in Germany estimated at 0.36%
30 Nov, 2020 | 01:02h | UTCInfection fatality rate of SARS-CoV2 in a super-spreading event in Germany – Nature Communications
Meta-analysis of statins for primary prevention: 100 adults (aged 50-75 years) without known cardiovascular disease would have to be treated for 2.5 years to prevent 1 major adverse cardiovascular event
30 Nov, 2020 | 00:56h | UTCEvaluation of Time to Benefit of Statins for the Primary Prevention of Cardiovascular Events in Adults Aged 50 to 75 Years: A Meta-analysis – JAMA Internal Medicine (link to abstract – $ for full-text)
Commentary: Time to Benefit of Statins for Primary Prevention of Cardiovascular Events – American College of Cardiology
Commentary on Twitter
It takes 2.5 years for the benefits of #statins to be seen. Frail older adults with life expectancy <2.5 years may be more likely to be harmed than helped by statins https://t.co/jbdW7bXopt
— JAMA Internal Medicine (@JAMAInternalMed) November 16, 2020
Seroprevalence meta-analysis predicts 643 million already infected by SARS-CoV-2 globally
30 Nov, 2020 | 00:59h | UTCOriginal study: Global seroprevalence of SARS-CoV-2 antibodies: a systematic review and meta-analysis – medRxiv
Opinion – Covid-19: controversial trial may actually show that masks protect the wearer
30 Nov, 2020 | 00:58h | UTCCovid-19: controversial trial may actually show that masks protect the wearer – The BMJ Opinion
Original study and commentaries: Randomized trial suggesting mask use does not protect the wearer from Covid-19 sparks controversy
Related commentary on Twitter (thread – click for more)
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My appraisal of the Danish mask study (DANMASK-19): This was a negative trial – masks were not shown to prevent #COVID19.Could chance or bias make this outcome more likely?
Does this mean we don’t need to wear masks?Let’s take a deeper look.#HowIReadThisPaper
(Thread) pic.twitter.com/bAUuajgtaI
— Rahul Ganatra (@rbganatra) November 28, 2020
For €9500, Nature journals will now make your paper free to read
30 Nov, 2020 | 00:49h | UTCFor €9500, Nature journals will now make your paper free to read – Science
News release: Nature journals reveal terms of landmark open-access option
State of the art review: Advances in the diagnosis and management of gastroesophageal reflux disease
30 Nov, 2020 | 00:52h | UTCAdvances in the diagnosis and management of gastroesophageal reflux disease – The BMJ (free for a limited period)
Editor’s Choice: The curious case of the Danish mask study
30 Nov, 2020 | 00:56h | UTCEditor’s Choice: The curious case of the Danish mask study – The BMJ
Original study and commentaries: Randomized trial suggesting mask use does not protect the wearer from Covid-19 sparks controversy