Covid-19 (Temas de Saúde Pública)
França recomenda dose única de vacina caso uma infecção prévia por Covid seja detectada.
16 Jun, 2021 | 10:51hFrance recommends single dose of vaccine if previous Covid infection detected – Rfi
Relacionado: [Preprint] More data showing a single-dose SARS-CoV-2 mRNA vaccine may be enough in individuals with previous COVID-19. E Another study shows a single dose of mRNA vaccine may be enough for patients with previous Covid-19
[Comunicado de imprensa – Ainda não publicado] Vacina da Novavax contra COVID-19 demonstra 90% de eficácia geral e 100% de proteção contra doença moderada e grave.
15 Jun, 2021 | 11:35hComunicado de imprensa: Novavax COVID-19 Vaccine Demonstrates 90% Overall Efficacy and 100% Protection Against Moderate and Severe Disease in PREVENT-19 Phase 3 Trial
Comentários: U.S. clinical trial results show Novavax vaccine is safe and prevents COVID-19 – NIH News Releases E Novavax Covid-19 vaccine highly effective in late-stage trial, long-awaited results show – STAT E Powerful new COVID-19 vaccine shows 90% efficacy, could boost world’s supply – Science E Novavax COVID vaccine 90% effective in phase 3 trial – CIDRAP E What the Novavax vaccine means for the global fight against Covid-19 – Vox
Comentário no Twitter (fio – clique para saber mais)
Good news—Novavax protein-subunit vaccine phase 3 trial shown to to be 90.4% effective overall, 100% against moderate to severe disease. This is different type from mRNA and from AZ/J&J adenovirus vaccines, and different from inactivated types. #COVID19 https://t.co/ajoGhaOUu9
— Eric Feigl-Ding (@DrEricDing) June 14, 2021
Variante Delta do SARS-CoV-2 na Escócia: demografia, risco de admissão hospitalar e eficácia das vacinas – “O risco de admissão hospitalar por COVID-19 foi aproximadamente o dobro nos contaminados pela variante Delta em comparação aos contaminados pela variante Alfa.”
15 Jun, 2021 | 11:34hComentários: Delta may raise hospitalisation but vaccine still protects – UK Research and Innovation E Expert reaction to Lancet research letter analysing data from Scotland on the Delta variant, looking at demographics, risk of hospital admission and vaccine effectiveness – Science Media Centre
Comentário no Twitter (fio – clique para saber mais)
Just published @TheLancet
The #DeltaVariant experience in Scotlandhttps://t.co/IfjDJnCAMC
1. #VaccinesWork ("AZ appeared less effective than Pfizer")
2. Younger, unvaccinated got the delta infections
3. Doubling of hospital admissions compared with alpha (B.1.1.7) variant pic.twitter.com/cP8clu57Rd— Eric Topol (@EricTopol) June 14, 2021
[Preprint] 2 doses de vacina contra Covid (Pfizer-BioNTech ou Oxford-AstraZeneca) são altamente eficazes contra hospitalização decorrente de infecção pela variante Delta.
15 Jun, 2021 | 11:32hComunicado de imprensa: Vaccines highly effective against hospitalisation from Delta variant – Public Health England
Preprint: Effectiveness of COVID-19 vaccines against hospital admission with the Delta (B.1.617.2) variant
Comentário no Twitter
NEWS — Our new analysis shows for the first time that two doses of the #COVID19 #vaccines are highly effective against hospitalisation from the #Delta (B.1.61.2) #variant.
Read more: https://t.co/6z67CW85Zw pic.twitter.com/oyRFghHpXw
— Public Health England (@PHE_uk) June 14, 2021
OMS: a variante Delta será dominante na Europa.
15 Jun, 2021 | 11:30hWHO official: Delta variant ‘poised to take hold’ in Europe – The Hill
A variante Delta causa mais de 90% dos novos casos de Covid no Reino Unido.
15 Jun, 2021 | 11:29hDelta variant causes more than 90% of new Covid cases in UK – The Guardian
Comentário no Twitter (fio – clique para saber mais)
⚠️90-96% of all #COVID19 in 🇬🇧 caused by #DeltaVariant.🧵
📍32% of all Delta cases visiting the hospital emergency room are at least 1 dose vaccinated
📍33% who are then hospitalized vaccinated
📍45% of all deaths got at least 1 shot—➡️ 29% got 2 shots.https://t.co/RViq5NiioQ pic.twitter.com/v2OYV2GM09
— Eric Feigl-Ding (@DrEricDing) June 14, 2021
Uma nova variante do coronavírus (Delta) está em ascensão. Estes são os motivos das preocupações dos especialistas.
15 Jun, 2021 | 11:28hA new coronavirus variant is on the rise. Here’s why experts are concerned – CNN
Médicos da China afirmam que a variante Delta produz doença mais grave.
15 Jun, 2021 | 11:26hIn China’s latest outbreak, doctors say the infected get sicker, faster. – The New York Times (alguns artigos gratuitos por mês)
Pesquisa em laboratório mostra que o soro de pessoas plenamente vacinadas (após 2 doses) com a vacina da Pfizer–BioNTech pode neutralizar efetivamente a variante B.1.617 (Delta) e outras do SARS-CoV-2.
14 Jun, 2021 | 11:24hBNT162b2-elicited neutralization of B.1.617 and other SARS-CoV-2 variants – Nature
Comentário no Twitter
An in-vitro study of sera from persons fully vaccinated with the Pfizer-BioNTech vaccine found that all samples neutralized SARS-CoV-2 virus variants B.1.617.1 (Kappa), B.1.617.2 (Delta), B.1.618 and B.1.525. https://t.co/7lXCVe7sPY
— Carlos del Rio (@CarlosdelRio7) June 12, 2021
O impacto da vacinação sobre as novas infecções por SARS-CoV-2 no Reino Unido – “Não há evidência de diferença entre as vacinas BNT162b2 (Pfizer-BioNTech) e ChAdOx1 (AstraZeneca).”
14 Jun, 2021 | 11:23hImpact of vaccination on new SARS-CoV-2 infections in the United Kingdom – Nature Medicine
Comentários no Twitter
The ChAdOx1 nCoV-19 and BNT162b2 #COVID19 #vaccines reduce incidence of new #SARSCoV2 infections by up to 65% with a single dose and up to 80% after two doses in the United Kingdom @kb_pouwels @ONS @Oxford_NDPH @UniofOxford https://t.co/K1f68MMYyO
— Nature Medicine (@NatureMedicine) June 9, 2021
First-dose vaccination with the Oxford–AstraZeneca or Pfizer–BioNTech vaccine against SARS-CoV-2 reduced the incidence of new infections in the UK by 61% and 66%, respectively, according to a study in @NatureMedicine. https://t.co/2TUFE1DeII pic.twitter.com/KuMtc1cD7l
— Nature Portfolio (@NaturePortfolio) June 9, 2021