Allergy & Immunology
[Preprint] Long Covid: Persistent symptoms following SARS-CoV-2 infection in a random community sample of 508,707 people.
13 Jul, 2021 | 09:55h | UTCCommentary: Study explores the prevalence of long COVID in England – News Medical
Extremely rare cases of Guillain-Barré reported with Johnson & Johnson vaccine for Covid-19.
13 Jul, 2021 | 09:48h | UTCJ&J’s Covid-19 vaccine may trigger neurological condition in rare cases, FDA says – STAT
See also: Johnson & Johnson Vaccine Is Linked To Neurological Disorder In Extremely Rare Cases – NPR AND F.D.A. Attaches Warning of Rare Nerve Syndrome to Johnson & Johnson Vaccine – The New York Times
A correlate of protection for SARS-CoV-2 vaccines is urgently needed – “Recent studies suggest that neutralizing antibodies could serve as a correlate of protection for vaccines against SARS-CoV-2 in humans”.
12 Jul, 2021 | 03:03h | UTCA correlate of protection for SARS-CoV-2 vaccines is urgently needed – Nature Medicine
Pfizer says it’s time for a Covid booster; FDA and CDC say not so fast.
12 Jul, 2021 | 03:08h | UTCPfizer says it’s time for a Covid booster; FDA and CDC say not so fast – CNN
See also: CDC, FDA contradict Pfizer on COVID-19 vaccine booster – CIDRAP AND Do I need a COVID-19 booster shot? 6 questions answered on how to stay protected – The Conversation AND Pfizer suggests booster shots will be needed this year, but government officials say science will dictate the timing – The Washington Post AND Pfizer to seek OK for 3rd vaccine dose; shots still protect – Associated Press AND Citing the Delta Variant, Pfizer Will Pursue Booster Shots and a New Vaccine – The New York Times (a few articles per month are free) AND Question open on need for COVID booster shot, data awaited, WHO says – Reuters
Case series: therapeutic plasma exchange in 3 patients with vaccine-induced immune thrombotic thrombocytopenia.
8 Jul, 2021 | 09:17h | UTC
Commentary on Twitter
Three patients with severe manifestations of VITT after #COVID19 vaccination had poor response to initial therapy with anticoagulants and intravenous immune globulin. Their condition improved after therapeutic plasma exchange was initiated.
— NEJM (@NEJM) July 7, 2021
Prospective national cohort in Chile showed CoronaVac effectiveness was 65.9% for symptomatic Covid-19, 87.5% for hospitalization, 90.3% for ICU admission, and 86.3% for death.
8 Jul, 2021 | 09:22h | UTCEffectiveness of an Inactivated SARS-CoV-2 Vaccine in Chile – New England Journal of Medicine
Related: Phase 1/2 RCT: CoronaVac is well tolerated and safe and induces strong humoral responses in children and adolescents aged 3–17 years. AND WHO approval of Chinese CoronaVac COVID vaccine will be crucial to curbing pandemic. AND Brazilian town experiment shows mass vaccination can wipe out COVID-19.
Commentary on Twitter
Chile's data on Sinovac CoronaVac in NEJM: not controlled study. Model details pic 2
– doses 28 days apart (like Serrana trial)
– symptomatic disease 65.9% (65-67)
– hospitalization 87.5% (87-88)
– intensive care 90.3% (89-91)
– Covid death 86.3% (85-88)
https://t.co/CB1U8Ar163 pic.twitter.com/4HwASRCnwQ— Hilda Bastian, PhD (@hildabast) July 7, 2021
Mounting evidence suggests Sputnik COVID vaccine is safe and effective.
8 Jul, 2021 | 09:14h | UTCMounting evidence suggests Sputnik COVID vaccine is safe and effective – Nature
Perspective | Should People With Immune Problems Get Third Vaccine Doses?
8 Jul, 2021 | 09:07h | UTCShould People With Immune Problems Get Third Vaccine Doses? – The New York Times (a few articles per month are free)
Related: [Preprint] 3rd AstraZeneca shot gives strong immunity. AND Case series: Safety and immunogenicity of a third dose of SARS-CoV-2 vaccine in solid organ transplant recipients.
Joint COVAX Statement on the Equal Recognition of Vaccines – COVAX urges all government authorities to recognize as fully vaccinated all people who have received COVID-19 vaccines that have been deemed safe and effective by WHO.
5 Jul, 2021 | 02:39h | UTCJoint COVAX Statement on the Equal Recognition of Vaccines – World Health Organization
Commentary on Twitter (thread – click for more)
#COVAX urges all government authorities to recognize as fully vaccinated all who have received #COVID19 vaccines approved by WHO or one of 11 approved Stringent Regulatory Authorities, when making decisions on who is able to travel or attend events.
?https://t.co/udYVrYTdMg pic.twitter.com/DihCPUmS8F
— World Health Organization (WHO) (@WHO) July 1, 2021
Opinion | Covid is a greater risk to young people than the vaccines.
5 Jul, 2021 | 02:34h | UTCCovid Is a Greater Risk to Young People Than the Vaccines – The New York Times
Counterpoint: Weighing myocarditis cases, ACIP failed to balance the harms vs benefits of 2nd doses – by Wesley Pegden AND Vaccine-Induced Myocarditis Concerns Demand Respect, Not Absolutism – Medscape (free registration required)
Commentary on Twitter
“Realize the choice is not ‘vaccinate or do nothing.’ It’s ‘vaccinate or eventually contract the coronavirus,’ and the risks that come with it.”
My latest with @celinegounder and @EMDocinTraining@NYTOpinion @acsifferlin https://t.co/wGugCuWgSs
— Jeremy Faust MD MS (ER physician) (@jeremyfaust) July 4, 2021
Roundup on Covid vaccines | A Big Hit, A Big Miss, & Mixed Vaccine Schedules: The 18-Month Mark.
5 Jul, 2021 | 02:31h | UTCA Big Hit, A Big Miss, & Mixed Vaccine Schedules: The 18-Month Mark – Absolutely Maybe Blog
Commentary on Twitter
My latest roundup on Covid vax: a big hit, a big miss, & mixed vaccine schedules. 15 vaxes with phase 3 results coming up to the 18-month mark! More than 20 controlled community impact studies now, & lots on immunocompromise | New @PLOS https://t.co/HEsuFc4af3 #IC
— Hilda Bastian, PhD (@hildabast) July 2, 2021
Why Covid-19 outbreaks in countries using Chinese vaccines don’t necessarily mean the shots have failed.
5 Jul, 2021 | 02:30h | UTC
What are the Sinopharm and Sinovac vaccines? And how effective are they? Two experts explain.
5 Jul, 2021 | 02:28h | UTC
Germany issues world’s strongest recommendation for mixing Covid-19 vaccines.
5 Jul, 2021 | 02:27h | UTCGermany issues world’s strongest recommendation for mixing Covid-19 vaccines – CNN
[Preprint] Mixing Covid jabs has good immune response, study finds – “The Com-Cov trial looked at the efficacy of either two doses of Pfizer, two of AstraZeneca, or one of them followed by the other. All combinations worked well, priming the immune system”.
2 Jul, 2021 | 11:47h | UTCMixing Covid jabs has good immune response, study finds – BBC
[Press release] J&J single-shot COVID-19 vaccine generates strong, persistent activity against the rapidly spreading Delta variant and other highly prevalent SARS-CoV-2 viral variants.
2 Jul, 2021 | 11:38h | UTCCommentary: J&J Covid Shot Neutralizes Delta Variant, Company Says – Bloomberg (a few articles per month are free)
RCT: Novavax vaccine conferred 89.7% protection against symptomatic SARS-CoV-2 infection and 100% protection against hospitalizations or deaths.
1 Jul, 2021 | 09:59h | UTCSafety and Efficacy of NVX-CoV2373 Covid-19 Vaccine – New England Journal of Medicine
Audio interview: Audio Interview: Another New Covid-19 Vaccine – New England Journal of Medicine
Related: Opinion | The mRNA vaccines are extraordinary, but Novavax is even better
Analysis: How long does covid-19 immunity last?
1 Jul, 2021 | 09:56h | UTCHow long does covid-19 immunity last? – The BMJ
Long COVID or post-acute sequelae of COVID-19 (PASC): An overview of biological factors that may contribute to persistent symptoms.
30 Jun, 2021 | 10:24h | UTC
Case Series: Myocarditis following immunization with mRNA COVID-19 vaccines.
30 Jun, 2021 | 10:22h | UTCSee also: Patients With Acute Myocarditis Following mRNA COVID-19 Vaccination – JAMA Cardiology
Editorials: Myocarditis Occurring After Immunization With mRNA-Based COVID-19 Vaccines AND Temporal Associations Between Immunization With the COVID-19 mRNA Vaccines and Myocarditis: The Vaccine Safety Surveillance System Is Working
Commentary: More Evidence Links Myocarditis to mRNA COVID-19 Vaccines – TCTMD
Commentary on Twitter
2 new reports of myocarditis after mRNA vaccination documenting its rare occurrence
23 males serving in the military among 2.8 million doses givenhttps://t.co/yPbYxkuSHi
4 cases in North Carolina, including a 70-year-old womanhttps://t.co/Iwj2Hx6O2U@JAMACardio pic.twitter.com/fv2JoOFAyt— Eric Topol (@EricTopol) June 29, 2021
Should I get my second AstraZeneca dose? Yes, it almost doubles your protection against Delta.
30 Jun, 2021 | 10:11h | UTCRelated: Effectiveness of COVID-19 vaccines against the B.1.617.2 variant – medRxiv
Phase 1/2 RCT: CoronaVac is well tolerated and safe and induces strong humoral responses in children and adolescents aged 3–17 years.
29 Jun, 2021 | 10:09h | UTCInvited commentary: COVID-19 vaccines for children younger than 12 years: are we ready? – The Lancet Infectious Diseases
Commentary on Twitter
NEW—A phase 1/2 clinical trial of #CoronaVac in 550 children and adolescents aged 3-17 years in China suggests two doses of the vaccine are safe and generate a strong antibody response. Read in @TheLancetInfDis: https://t.co/eXSagRu1Cs pic.twitter.com/fOKNLUjNwc
— The Lancet (@TheLancet) June 28, 2021
SARS-CoV-2 mRNA vaccines induce persistent human germinal center responses, suggesting immunity will be long-lasting.
29 Jun, 2021 | 10:03h | UTCSARS-CoV-2 mRNA vaccines induce persistent human germinal centre responses – Nature
Commentaries: Immune response to FDA-approved vaccines is strong and potentially long-lasting – News Medical
Commentary on Twitter (thread – click for more)
Just published @nature
A bonus factor after covid vaccination: germinal center factories for durable, antigen-specific, B cells and plasmoblasts induced by mRNA vaccination, as determined by lymph node aspirates from vaccinees https://t.co/5eR0gDSWHq@TheBcellArtist @WUSTLmed pic.twitter.com/C5xPSrh5Gw— Eric Topol (@EricTopol) June 28, 2021
Case report: Thrombosis with Thrombocytopenia After the Messenger RNA–1273 Vaccine.
29 Jun, 2021 | 10:07h | UTCThrombosis With Thrombocytopenia After the Messenger RNA–1273 Vaccine – Annals of Internal Medicine
[Preprint] 3rd AstraZeneca shot gives strong immunity.
29 Jun, 2021 | 10:01h | UTCStudy: 3rd AstraZeneca shot gives strong immunity – Reuters
Original Study (preprint): Tolerability and Immunogenicity After a Late Second Dose or a Third Dose of ChAdOx1 nCoV-19 (AZD1222) – SSRN/The Lancet