Alergia e Imunologia
Pfizer afirma que é hora de um reforço (terceira dose) na vacina contra a Covid; FDA e CDC dizem que ainda não.
12 Jul, 2021 | 11:35hPfizer says it’s time for a Covid booster; FDA and CDC say not so fast – CNN
Ver também: CDC, FDA contradict Pfizer on COVID-19 vaccine booster – CIDRAP E Do I need a COVID-19 booster shot? 6 questions answered on how to stay protected – The Conversation E Pfizer suggests booster shots will be needed this year, but government officials say science will dictate the timing – The Washington Post E Pfizer to seek OK for 3rd vaccine dose; shots still protect – Associated Press E Citing the Delta Variant, Pfizer Will Pursue Booster Shots and a New Vaccine – The New York Times (poucos artigos gratuitos por mês) E Question open on need for COVID booster shot, data awaited, WHO says – Reuters
Há necessidade urgente de um correlato de proteção para as vacinas contra o SARS-CoV-2 – “Estudos recentes sugerem que os anticorpos neutralizantes podem servir como um correlato de proteção para as vacinas contra o SARS-CoV-2 em humanos.”
12 Jul, 2021 | 11:31hA correlate of protection for SARS-CoV-2 vaccines is urgently needed – Nature Medicine
Relacionado: Neutralizing antibody levels are highly predictive of immune protection from symptomatic SARS-CoV-2 infection.
Coorte nacional prospectiva no Chile mostrou que a efetividade da CoronaVac foi de 65,9% para Covid-19 sintomática, 87,5% para hospitalizações, 90,3% para admissões em UTI e 86,3% para mortes.
8 Jul, 2021 | 09:57hEffectiveness of an Inactivated SARS-CoV-2 Vaccine in Chile – New England Journal of Medicine
Relacionado: Phase 1/2 RCT: CoronaVac is well tolerated and safe and induces strong humoral responses in children and adolescents aged 3–17 years. E WHO approval of Chinese CoronaVac COVID vaccine will be crucial to curbing pandemic. E Brazilian town experiment shows mass vaccination can wipe out COVID-19.
Comentário no 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
Série de casos | Plasmaférese em 3 pacientes com trombocitopenia trombótica imune induzida por vacina.
8 Jul, 2021 | 09:56h
Comentário no 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
Novas evidências sugerem que a vacina Sputnik contra COVID é segura e eficaz.
8 Jul, 2021 | 09:55hMounting evidence suggests Sputnik COVID vaccine is safe and effective – Nature
Perspectiva | Pessoas com problemas imunológicos deveriam tomar uma 3ª dose de vacina?
8 Jul, 2021 | 09:51hShould People With Immune Problems Get Third Vaccine Doses? – The New York Times (poucos artigos gratuitos por mês)
Relacionado: [Preprint] 3rd AstraZeneca shot gives strong immunity. E Case series: Safety and immunogenicity of a third dose of SARS-CoV-2 vaccine in solid organ transplant recipients.
Declaração Conjunta COVAX sobre o Reconhecimento Igualitário de Vacinas | COVAX cobra que todas as autoridades governamentais reconheçam como vacinadas todas as pessoas que receberam vacinas contra COVID-19 atestadas como seguras e eficazes pela OMS.
5 Jul, 2021 | 10:30hJoint COVAX Statement on the Equal Recognition of Vaccines – World Health Organization
Comentário no Twitter (fio – clique para saber mais)
#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
Opinião | Covid é um risco muito maior para os jovens do que as vacinas.
5 Jul, 2021 | 10:27hCovid Is a Greater Risk to Young People Than the Vaccines – The New York Times
Contraponto: Weighing myocarditis cases, ACIP failed to balance the harms vs benefits of 2nd doses – by Wesley Pegden E Vaccine-Induced Myocarditis Concerns Demand Respect, Not Absolutism – Medscape (necessário cadastro gratuito)
Comentário no 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
Comparativo das vacinas contra Covid | Um grande sucesso, um grande erro e mistura de vacinas: a marca de 18 meses.
5 Jul, 2021 | 10:23hA Big Hit, A Big Miss, & Mixed Vaccine Schedules: The 18-Month Mark – Absolutely Maybe Blog
Comentário no 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