Vacinas

Alemanha emite recomendação quanto à mistura de vacinas contra Covid-19.

5 Jul, 2021 | 10:15h

Germany issues world’s strongest recommendation for mixing Covid-19 vaccines – CNN

Relacionado: [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”.

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[Preprint] Estudo mostra que misturar vacinas contra Covid traz uma boa resposta imunológica – “O estudo Com-Cov pesquisou a eficácia de 2 doses da vacina da Pfizer, 2 da AstraZeneca e também uma de cada. Todas as combinações funcionaram bem em preparar o sistema imune.”

2 Jul, 2021 | 11:19h

Mixing Covid jabs has good immune response, study finds – BBC

Estudo original (preprint): Safety and Immunogenicity Report from the Com-COV Study – a Single-Blind Randomised Non-Inferiority Trial Comparing Heterologous And Homologous Prime-Boost Schedules with An Adenoviral Vectored and mRNA COVID-19 Vaccine – SSRN Preprints with the Lancet

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Trombocitopenia trombótica imune induzida por vacina (vaccine-induced immune thrombotic thrombocytopenia – VITT) – Uma nova entidade clinicopatológica com apresentações clínicas heterogêneas.

2 Jul, 2021 | 11:17h

Vaccine-induced immune thrombotic thrombocytopenia (VITT) – a novel clinico-pathological entity with heterogeneous clinical presentations – British Journal of Haematology

Comentário: Blood clots related to AstraZeneca/Oxford vaccine can be mitigated with early detection – MedicalXpress

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[Comunicado de imprensa] Vacina da J&J de dose única gera atividade forte e persistente contra a variante Delta e outras variantes do SARS-CoV-2 altamente prevalentes.

2 Jul, 2021 | 11:16h

Comunicado de imprensa: Positive New Data for Johnson & Johnson Single-Shot COVID-19 Vaccine on Activity Against Delta Variant and Long-lasting Durability of Response

Comentário: J&J Covid Shot Neutralizes Delta Variant, Company Says – Bloomberg (poucos artigos gratuitos por mês)

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Ponto de vista | Compartilhamento de tecnologia e doses de vacina para combater a desigualdade global de vacinação e alcançar o fim da pandemia de COVID-19.

2 Jul, 2021 | 11:14h

Sharing Technology and Vaccine Doses to Address Global Vaccine Inequity and End the COVID-19 Pandemic – JAMA

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Vacinas contra COVID-19 reduzem a gravidade, a duração e a carga viral daqueles que se infectam mesmo após a vacinação.

1 Jul, 2021 | 10:21h

COVID-19 vaccine reduces severity, length, viral load for those who still get infected – University of Arizona Health Sciences

Estudo original: Prevention and Attenuation of Covid-19 with the BNT162b2 and mRNA-1273 Vaccines – New England Journal of Medicine

 

Comentário no Twitter

The @CDCgov trial to rigorously assess mRNA vaccination suppression of covid infections as assessed with frequent NP swabs in nearly 4,000 participants
91% efficacy of blocking transmission of infection (2 doses); 40% reduction of viral load https://t.co/tI6LECbw42 pic.twitter.com/y85Vd9ih5A

— Eric Topol (@EricTopol) June 30, 2021

 

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Série de casos | Miocardite após imunização com vacinas de mRNA contra COVID-19.

30 Jun, 2021 | 10:47h

Myocarditis Following Immunization With mRNA COVID-19 Vaccines in Members of the US Military – JAMA Cardiology

Ver também: Patients With Acute Myocarditis Following mRNA COVID-19 Vaccination – JAMA Cardiology

Editoriais: Myocarditis Occurring After Immunization With mRNA-Based COVID-19 Vaccines E Temporal Associations Between Immunization With the COVID-19 mRNA Vaccines and Myocarditis: The Vaccine Safety Surveillance System Is Working

Comentário: More Evidence Links Myocarditis to mRNA COVID-19 Vaccines – TCTMD

Relacionado: CDC: mRNA vaccines are likely linked to cases of myocarditis and pericarditis – 1,226 cases of myocarditis or pericarditis have been reported mostly in people under 30.

 

Comentário no 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

 

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Exclusivo | OMS estima que sejam necessárias doses anuais de reforço das vacinas contra COVID-19 para os mais vulneráveis.

30 Jun, 2021 | 10:45h

Exclusive-WHO estimates COVID-19 boosters needed yearly for most vulnerable – Reuters

Relacionado: CDC group says there isn’t enough data yet to recommend Covid booster shots – CNBC

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Devo tomar a segunda dose da vacina da AstraZeneca? Sim; ela quase dobra sua proteção contra a variante Delta.

30 Jun, 2021 | 10:41h

Should I get my second AstraZeneca dose? Yes, it almost doubles your protection against Delta – The Conversation

Relacionado: Effectiveness of COVID-19 vaccines against the B.1.617.2 variant – medRxiv

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Estudo randomizado fase 1/2 | CoronaVac é bem tolerada, segura e induz forte resposta humoral em crianças e adolescentes de 3 a 17 anos de idade.

29 Jun, 2021 | 09:54h

Safety, tolerability, and immunogenicity of an inactivated SARS-CoV-2 vaccine (CoronaVac) in healthy children and adolescents: a double-blind, randomised, controlled, phase 1/2 clinical trial – The Lancet Infectious Diseases

Comentário convidado: COVID-19 vaccines for children younger than 12 years: are we ready? – The Lancet Infectious Diseases

 

Comentário no 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

 

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