Acesso livre
Acesso livre

Saúde Pública/Medicina Humanitária

Estudo randomizado por cluster | Uma intervenção de exercícios pode melhorar o sucesso acadêmico entre crianças.

19 Out, 2021 | 12:42h

Exercise Intervention for Academic Achievement Among Children: A Randomized Controlled Trial – Pediatrics

 

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Vacina da J&J contra COVID-19: FDA recomenda dose de reforço para adultos acima de 18 anos pelo menos 2 meses depois da vacinação com dose única.

18 Out, 2021 | 08:55h

Comunicado de imprensa: Johnson & Johnson COVID-19 Vaccine Booster Shot Unanimously Recommended for Emergency Use Authorization by U.S. FDA Advisory Committee

Comentários:

FDA panel endorses booster shot for J&J COVID-19 vaccine – Associated Press

The Johnson & Johnson one-dose vaccine offers good protection now. A booster shot will maximize that, experts say – CNN

FDA advisers recommend J&J Covid-19 vaccine boosters, talk mix and match boosters – CNN

Conteúdo relacionado: [Press release – not published yet] J&J says booster shot at two months provided 75% protection against moderate to severe COVID-19 globally and 94% of such cases in the U.S.


[Preprint] Avanço das infecções por SARS-CoV-2 em 620.000 veteranos americanos, de 1/2/2021 a 13/8/2021 – “A proteção da vacina diminuiu de 91,9% em março para 53,9% em meados de agosto.”

18 Out, 2021 | 08:51h

Breakthrough SARS-CoV-2 infections in 620,000 U.S. Veterans, February 1, 2021 to August 13, 2021 – medRxiv

Conteúdos relacionados:

Observational study in Qatar showed the effectiveness of Pfizer vaccine against any SARS-CoV-2 infection dropped to 20% in months 5 through 7 after the second dose, but effectiveness against severe Covid-19 remained high.

Cohort study: Pfizer vaccine effectiveness against any infections declined from 88% during the first month after full vaccination to 47% after 5 months. Vaccine effectiveness against hospital admissions remained high; 87% within 1 month, and 88% at 5 months after full vaccination, with no significant waning.

Editorial | Covid-19 vaccination: evidence of waning immunity is overstated.

COVID vaccine immunity is waning — how much does that matter? – “As debates about booster shots heat up, what’s known about the duration of vaccine-based immunity is still evolving”.

COVID vaccine effects wane over time but still prevent death and severe illness.

Perspective | What we actually know about waning immunity.

Another study shows Pfizer mRNA vaccine immunity is reduced over time.

[Press release – not published yet] Study shows vaccine protection wanes over time, but vaccines still offer good protection against severe disease.

Studies: COVID vaccine protection waning against infection but not hospitalization.

 

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O que as máscaras podem fazer? Parte 2 | O que é preciso para se realizar um bom estudo sobre máscaras – e por que a maioria falha.

18 Out, 2021 | 08:48h

COMMENTARY: What can masks do? Part 2: What makes for a good mask study — and why most fail – CIDRAP

Ver também: COMMENTARY: What can masks do? Part 1: The science behind COVID-19 protection – CIDRAP


Diretriz PHE | O papel das máscaras para atenuar a transmissão do vírus SARS-CoV-2.

15 Out, 2021 | 16:52h

The role of face coverings in mitigating the transmission of SARS-CoV-2 virus: statement from the Respiratory Evidence Panel – Public Health England

 

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O que as máscaras podem fazer? A ciência por trás da proteção contra COVID-19.

15 Out, 2021 | 16:50h

COMMENTARY: What can masks do? Part 1: The science behind COVID-19 protection – CIDRAP


Estudo avaliou diversos regimes heterólogos de vacinas contra o SARS-CoV-2; não há dados de eficácia, mas houve maior aumento na produção de anticorpos nos participantes 15 e 29 dias depois da dose de reforço com vacinas da Moderna e da Pfizer.

15 Out, 2021 | 16:49h

Heterologous SARS-CoV-2 Booster Vaccinations: Preliminary Report – medRxiv

Comentário: Study: Mixing and Matching COVID-19 Booster Shots Is Effective, Safe – U.S. News

 

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“Espero que você morra”: como a pandemia de COVID desencadeou ataques contra cientistas.

15 Out, 2021 | 16:46h

‘I hope you die’: how the COVID pandemic unleashed attacks on scientists – Nature

 

Comentário no Twitter

 


Perspectiva | Tentativa de bloquear a transmissão do SARS-CoV-2 com vacinas intranasais.

15 Out, 2021 | 16:45h

Trying to Block SARS-CoV-2 Transmission With Intranasal Vaccines – JAMA


Painel do FDA libera doses de reforço da vacina da Moderna contra COVID para grupos de risco.

15 Out, 2021 | 16:44h

FDA panel green-lights Moderna COVID boosters for risk groups – CIDRAP


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