Daily Archives: November 23, 2020 | LinksMedicus Free Medical News & Perspectives

Covid-19: Oxford University vaccine shows 70% protection

23 Nov, 2020 | 09:54h | UTC

Covid-19: Oxford University vaccine shows 70% protection – BBC

News release: Oxford University breakthrough on global COVID-19 vaccine

Commentary on Twitter

Today marks an important milestone in the fight against #COVID19. Interim data show the #OxfordVaccine is 70.4% effective, & tests on two dose regimens show that it could be 90%, moving us one step closer to supplying it at low cost around the world>> https://t.co/fnHnKSqftT pic.twitter.com/2KYXPxFNz1

— University of Oxford (@UniofOxford) November 23, 2020

Meta-analysis: SARSCoV2 most contagious within the first 5 days of symptom onset

23 Nov, 2020 | 09:53h | UTC

SARS-CoV-2, SARS-CoV, and MERS-CoV viral load dynamics, duration of viral shedding, and infectiousness: a systematic review and meta-analysis – The Lancet Microbe

Commentaries: COVID-19 most contagious in first 5 days of illness, study finds – CIDRAP AND Infectiousness peaks early in COVID-19 patients, emphasising the need to rapidly isolate cases – The Lancet AND Covid-19 carriers ‘most infectious earlier on’ – BBC

Commentary on Twitter (thread – click for more)

Our systematic review and meta-analysis on #SARSCoV2, #SARSCoV & #MERSCoV viral load dynamics, duration of viral shedding & infectiousness out now in @LancetMicrobe 👇@mugecevik @silverfoxdoc @CVRinfo @UofGlasgow @Infection_StAnd https://t.co/Tac3A2RR3E

— Antonia Ho (@DrToniHo) November 20, 2020

Cochrane review finds we are still uncertain about the effects of face masks to reduce the spread of respiratory viruses. Editorial: “Policy makers must act on incomplete evidence in responding to COVID‐19”

23 Nov, 2020 | 09:51h | UTC

Physical interventions to interrupt or reduce the spread of respiratory viruses – Cochrane Library

Editorial: Policy makers must act on incomplete evidence in responding to COVID‐19

Commentary: F ace masks cut disease spread in the lab, but have less impact in the community. We need to know why – The Conversation

Trends in COVID-19 incidence in counties with and without a mask mandate. Counties with mask mandates saw a decrease in cases compared to counties that didn’t

23 Nov, 2020 | 09:50h | UTC

Trends in County-Level COVID-19 Incidence in Counties With and Without a Mask Mandate — Kansas, June 1–August 23, 2020 – CDC Morbidity and Mortality Weekly Report

Commentaries: A new CDC report found that Kansas counties who complied with a mask mandate saw a decrease in cases compared to counties that didn’t – Business Insider AND Masks mandates worked to slow the spread of Covid-19 in Kansas, CDC research shows – CNN

Commentary on Twitter

New @CDCMMWR finds that after Kansas put in place a mask mandate in July 2020 rates of #COVID19 decreased in counties with a mask requirement & increased in counties without one. Wear a mask, stay 6 feet apart from others, & wash your hands often. More: https://t.co/kSgJxDhZUq. pic.twitter.com/w85jEQ8Fv9

— CDC (@CDCgov) November 20, 2020

A proposed framework and timeline of the spectrum of disease due to SARS-CoV-2 infection: Illness beyond acute infection and public health implications

23 Nov, 2020 | 09:48h | UTC

A Proposed Framework and Timeline of the Spectrum of Disease Due to SARS-CoV-2 Infection: Illness Beyond Acute Infection and Public Health Implications – JAMA

Commentary on Twitter

The #COVID19 response focuses on acute illness, but accumulating evidence shows morbidity beyond acute infection, with at least 2 other periods of illness: a rare postacute hyperinflammatory illness, and late inflammatory/viral sequelae https://t.co/mrf8WDxKY4 @jtsylee @CDCgov

— JAMA (@JAMA_current) November 19, 2020

Covid-19 screening: Test sensitivity is less important than frequency and sample-to-answer reporting time

23 Nov, 2020 | 09:47h | UTC

Test sensitivity is secondary to frequency and turnaround time for COVID-19 screening – Science Advances

Commentaries: Frequent, rapid testing could cripple COVID-19 within weeks, study shows – University of Colorado at Boulder AND Rapid testing 75% of a city every 3 days could ‘drive the epidemic toward extinction’ within 6 weeks, a new study claims – Business Insider AND Speed of test results and frequency of testing are paramount for effective COVID-19 surveillance – News Medical

Commentary on Twitter

Rapidity and frequency of #COVID19 testing override the concerns about sensitivity. Very strong case @ScienceAdvances today by @DanLarremore @michaelmina_lab Roy Parker and colleagues https://t.co/B3hxaTunNu
(We urgently need mass scale rapid home testing rolled out) pic.twitter.com/6JJcpw2kWV

— Eric Topol (@EricTopol) November 20, 2020