Outro estudo mostra resposta imune aumentada com vacinação heteróloga Oxford-AstraZeneca/mRNA.

Immunogenicity and reactogenicity of heterologous ChAdOx1 nCoV-19/mRNA vaccination – Nature Medicine

Comentário: A ‘mix and match’ approach to SARS-CoV-2 vaccination – Nature Medicine

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WHO warns against mixing and matching COVID vaccines.

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

Heterologous Oxford–AstraZeneca and Moderna Vaccination induce increased levels of neutralizing antibody compared to 2 doses of Oxford–AstraZeneca.

Heterologous Oxford–AstraZeneca and BioNTech/Pfizer Vaccination induce increased levels of neutralizing antibody compared to 2 doses of Oxford–AstraZeneca.

[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”.

Phase 2 RCT: Immunogenicity and reactogenicity of a Pfizer-BioNTech booster in patients that have received a single dose of AstraZeneca vaccine – “BNT162b2 (Pfizer) given as a second dose in individuals prime vaccinated with ChAdOx1-S (AstraZeneca) induced a robust immune response, with an acceptable and manageable reactogenicity profile”.

RCT: Mixing 2 different Covid vaccines is associated with increased risk of side effects.

Comentário no Twitter

A study in @NatureMedicine shows that using a mRNA COVID-19 vaccine as a booster after a dose of the Oxford/AstraZeneca vaccine generated a better immune response. https://t.co/2jOprd0dO6 pic.twitter.com/9tK55KpgCM

— Nature Portfolio (@NaturePortfolio) July 26, 2021