Infectious Diseases (all articles)
[Preprint] Pfizer vaccine effectiveness against Delta declines faster than AstraZeneca, both offering the same protection after 4 months.
20 Aug, 2021 | 10:03h | UTCCommentaries:
Pfizer vaccine effectiveness declines faster than AstraZeneca – study – Evening Standard
Commentary on Twitter
New large UK study confirms attrition of @Pfizer vaccine effectiveness vs Delta infections over time https://t.co/K6YRyAQq4o "By roughly 4 1/2 months after the 2nd dose, Pfizer’s shot will probably be about on par with Astra’s at preventing infections with a high viral burden" pic.twitter.com/x1Nl2BkWfn
— Eric Topol (@EricTopol) August 19, 2021
Covid-19: How many variants are there, and what do we know about them?
20 Aug, 2021 | 10:00h | UTCCovid-19: How many variants are there, and what do we know about them? – The BMJ
Commentary on Twitter
Eight notable variants of SARS-CoV-2 have been found since September 2020. @emahase_ reviews the line-up so far https://t.co/jmzfnbudoL
Watch this video showing how the variants have spread around the globe: pic.twitter.com/KwBl6B48Dy
— The BMJ (@bmj_latest) August 19, 2021
New SARS-CoV-2 variants have changed the pandemic. What will the virus do next?
20 Aug, 2021 | 09:58h | UTCNew SARS-CoV-2 variants have changed the pandemic. What will the virus do next? – Science
Commentary on Twitter
I really, really wish Covid deniers and minimizers would read this outstanding @ScienceMagazine piece by @kakape on the delta variant and how it has completely changed this pandemic – FOR THE WORSEhttps://t.co/liIC9NpGOJ pic.twitter.com/UkCieUUCpK
— Madhu Pai, MD, PhD (@paimadhu) August 19, 2021
The Origins of SARS-CoV-2: A Critical Review.
20 Aug, 2021 | 09:52h | UTCThe Origins of SARS-CoV-2: A Critical Review – Cell
Related:
Fauci says natural origins theory of coronavirus is still the most likely.
A grim warning from Israel: Vaccination blunts, but does not defeat Delta.
20 Aug, 2021 | 09:56h | UTCA grim warning from Israel: Vaccination blunts, but does not defeat Delta – Science
Delta’s rise is fuelled by rampant spread from people who feel fine.
20 Aug, 2021 | 09:54h | UTCDelta’s rise is fuelled by rampant spread from people who feel fine – Nature
Original study: Transmission dynamics and epidemiological characteristics of Delta variant infections in China – medRxiv
Post-Covid-19 Tachycardia Syndrome: A distinct phenotype of Post-acute Covid-19 Syndrome.
20 Aug, 2021 | 09:51h | UTC
Commentary on Twitter
Post-COVID19 tachycardia syndrome(s): nice proposal for phenotypeshttps://t.co/XI75HCGYUH pic.twitter.com/yg303QXd1E
— Otavio Ranzani (@otavio_ranzani) August 18, 2021
Long COVID-19: A Primer for Cardiovascular Health Professionals, on Behalf of the CCS Rapid Response Team.
20 Aug, 2021 | 09:49h | UTC
Extended-spectrum β-lactamases: an update on their characteristics, epidemiology and detection.
20 Aug, 2021 | 08:41h | UTC
Review: Viral respiratory pathogens and lung injury.
20 Aug, 2021 | 08:43h | UTCViral Respiratory Pathogens and Lung Injury – Clinical Microbiology Reviews
Metrics for evaluating antibiotic use and prescribing in outpatient settings.
20 Aug, 2021 | 08:40h | UTC
IDSA response to plan for supplemental vaccine doses for vaccinated individuals.
19 Aug, 2021 | 09:02h | UTC
Viewpoint: Confronting the Delta variant of SARS-CoV-2.
19 Aug, 2021 | 09:03h | UTCConfronting the Delta Variant of SARS-CoV-2, Summer 2021 – JAMA
Studies: COVID vaccine protection waning against infection but not hospitalization.
19 Aug, 2021 | 09:05h | UTCStudies: COVID vaccine protection waning against infection but not hospitalization – CIDRAP
Commentary on Twitter (thread – click for more)
Very excited to share our most recent publication about #CovidVaccine effectiveness, just published today by the IVY network. Especially relevant in light of today’s news about #boosters (spoiler – I’m skeptical about the need for boosters for all). 🧵https://t.co/GbAxgzpo7R
— Nida Qadir, MD (@NidaQadirMD) August 18, 2021
NIH study shows no significant benefit of convalescent plasma for COVID-19 outpatients with early symptoms.
19 Aug, 2021 | 09:06h | UTCOriginal study: Early Convalescent Plasma for High-Risk Outpatients with Covid-19 – New England Journal of Medicine
Commentary on Twitter
Convalescent plasma did not prevent disease progression in patients seen in EDs within 7 days after the onset #COVID19 symptoms. https://t.co/9gmIK3ntKH #IDTwitter pic.twitter.com/sirzn1uGL0
— NEJM (@NEJM) August 18, 2021
Vaccine stockpiling by nations could lead to increase in COVID-19 cases, novel variant emergence.
19 Aug, 2021 | 08:58h | UTCVaccine nationalism and the dynamics and control of SARS-CoV-2 – Science
Commentary on Twitter
Published at @sciencemagazine, a new @PrincetonEnviro study shows that stockpiling driven by vaccine 'nationalism' could increase #COVID19 cases and the potential emergence of novel variants, stressing the importance of rapid global vaccine equity. https://t.co/ziN5fX0u2X
— Princeton University (@Princeton) August 18, 2021
Hemophagocytic lymphohistiocytosis secondary to COVID-19: a case series.
19 Aug, 2021 | 08:57h | UTCHaemophagocytic lymphohistiocytosis secondary to COVID-19: a case series – The Lancet Rheumatology
U.S. officials’ decision on Covid-19 booster shots baffles — and upsets — some scientists.
19 Aug, 2021 | 09:00h | UTCU.S. officials’ decision on Covid-19 booster shots baffles — and upsets — some scientists – STAT
Commentary on Twitter
Scientists I spoke to today had a lot of questions about the administration's decision to start giving Americans 3rd doses of the mRNA vaccines next month. “I’m not sure we had enough [data] to pull the trigger right now," one said. https://t.co/eHUndOrQL4
— Helen Branswell 🇨🇦 (@HelenBranswell) August 18, 2021
WHO Practical Guide: Antimicrobial stewardship interventions.
19 Aug, 2021 | 08:52h | UTCAntimicrobial stewardship interventions: a practical guide (2021) – World Health Organization
Review: CT of postacute lung complications of COVID-19.
19 Aug, 2021 | 08:55h | UTCCT of Postacute Lung Complications of COVID-19 – Radiology
Related:
Fibrotic interstitial lung abnormalities at 1-year follow-up CT after severe COVID-19.
Postacute Sequelae of COVID-19 Pneumonia: 6-month Chest CT Follow-up.
COVID-19 Imaging: What we know now and what remains unknown.
Post severe COVID-19, CT reveals potentially lifetime lung damage in one-thirds of patients
COVID-19 mimics on chest CT: a pictorial review and radiologic guide
ANALYSIS- Here’s why there may be no need for boosters for everyone just yet.
18 Aug, 2021 | 09:00h | UTCANALYSIS- Here’s why there may be no need for boosters for everyone just yet – CNN
Lab study shows heterologous AstraZeneca/Pfizer vaccination produces strong immune response against SARS-CoV-2 Delta variant.
18 Aug, 2021 | 09:04h | UTCRelated:
Another study shows increased immune response with heterologous Oxford-AstraZeneca/mRNA vaccination (several articles on the subject)
Commentary on Twitter (thread – click for more)
Mix and match vaccines, AZ then mRNA (@BioNTech_Group) achieves a very strong immune response against the Delta variant.
This is the 1st report to look at mix vs Delta, specifically.https://t.co/6N46cUh8HW @TheLancet pic.twitter.com/cvlHp2XtXJ— Eric Topol (@EricTopol) August 17, 2021
U.S. to recommend COVID vaccine boosters at 8 months.
18 Aug, 2021 | 09:02h | UTCSources: US to recommend COVID vaccine boosters at 8 months – Associated Press
See also: Biden administration expected to advise Covid booster shots for most Americans – CNN AND US experts expected to recommend Covid booster shots for all – The Guardian
Commentary on Twitter (thread – click for more)
This decision seems to reflect a common fallacy; trying to reason about whether we "need X" just based on what things are like without X, rather than how much X will do to help.
It's surprising to see it at play in a decision of such consequence.
— Wes Pegden (@WesPegden) August 17, 2021
Editorial: COVID-19 vaccine equity and booster doses – “by Aug 9, only 12·6 million of the 4·46 billion doses administered globally were in low-income countries”.
18 Aug, 2021 | 08:58h | UTCCOVID-19 vaccine equity and booster doses – The Lancet Infectious Diseases
See also: New waves, new variants, old inequity: a continuing COVID-19 crisis – BMJ Global Health
Has COVID taught us anything about pandemic preparedness?
18 Aug, 2021 | 08:55h | UTCHas COVID taught us anything about pandemic preparedness? – Nature
Commentary on Twitter
Pandemic preparedness needs good surveillance in all countries, rapid and transparent data sharing, consistent implementation of public health measures, attention to Equity & global Solidarity https://t.co/GlouOA4Om3
— Soumya Swaminathan (@doctorsoumya) August 14, 2021


