Safety and Efficacy of the BNT162b2 mRNA Covid-19 Vaccine through 6 Months

Article Immunology

Impact of the Coronavirus Disease 2019 (COVID-19) Vaccine on Asymptomatic Infection Among Patients Undergoing Preprocedural COVID-19 Molecular Screening

Aaron J. Tande et al.

Summary: This study found a significant association between vaccination with mRNA-based COVID-19 vaccines and reduced risk of asymptomatic SARS-CoV-2 infection.

CLINICAL INFECTIOUS DISEASES (2022)

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Article Biochemistry & Molecular Biology

Neutralization of SARS-CoV-2 spike 69/70 deletion, E484K and N501Y variants by BNT162b2 vaccine-elicited sera

Xuping Xie et al.

Summary: The study found that human sera from recipients of the BNT162b2 vaccine can neutralize SARS-CoV-2 viruses containing key spike mutations from the newly emerged UK and SA variants.

NATURE MEDICINE (2021)

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Article Medicine, General & Internal

BNT162b2 mRNA Covid-19 Vaccine in a Nationwide Mass Vaccination Setting

Noa Dagan et al.

Summary: A study conducted in Israel on nearly 600,000 individuals showed that the BNT162b2 mRNA vaccine was effective in reducing the risk of infection, hospitalization, and severe Covid-19. The effectiveness in preventing death was 72% during the period from day 14 through day 20 after the first dose, and hospitalization was reduced by 87% for the period 7 or more days after the second dose, similar to results from a randomized trial.

NEW ENGLAND JOURNAL OF MEDICINE (2021)

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Letter Medicine, General & Internal

Neutralizing Activity of BNT162b2-Elicited Serum

Yang Liu et al.

NEW ENGLAND JOURNAL OF MEDICINE (2021)

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Article Multidisciplinary Sciences

Neutralization of SARS-CoV-2 lineage B.1.1.7 pseudovirus by BNT162b2 vaccine-elicited human sera

Alexander Muik et al.

Summary: A new SARS-CoV-2 lineage B.1.1.7 has emerged in the UK, which is more transmissible and faster spreading than other strains. However, a study found that the BNT162b2 vaccine offers largely preserved protection against the B.1.1.7 lineage, despite some reduced neutralizing titers.

SCIENCE (2021)

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Article Medicine, General & Internal

Interim findings from first-dose mass COVID-19 vaccination roll-out and COVID-19 hospital admissions in Scotland: a national prospective cohort study

Eleftheria Vasileiou et al.

Summary: The study in Scotland found that the first doses of the BNT162b2 mRNA and ChAdOx1 vaccines were associated with substantial reductions in the risk of COVID-19 hospital admission, with vaccine effectiveness ranging from 88% to 91% at 28-34 days post-vaccination.

LANCET (2021)

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Article Medicine, General & Internal

Impact and effectiveness of mRNA BNT162b2 vaccine against SARS-CoV-2 infections and COVID-19 cases, hospitalisations, and deaths following a nationwide vaccination campaign in Israel: an observational study using national surveillance data

Eric J. Haas et al.

Summary: This study assessed the real-world effectiveness of the Pfizer-BioNTech mRNA COVID-19 vaccine BNT162b2 in Israel, showing high efficacy in preventing SARS-CoV-2 infections, hospitalizations, severe disease, and death. As vaccine coverage increased, there were marked declines in SARS-CoV-2 outcomes, indicating that COVID-19 vaccination can help control the pandemic.

LANCET (2021)

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Article Biotechnology & Applied Microbiology

Lipid-nanoparticle-encapsulated mRNA vaccines induce protective memory CD8 T cells against a lethal viral infection

Cory J. Knudson et al.

Summary: Different doses of modified mRNA vaccines can induce strong CD8 T cell responses, providing protective immunity and increasing the memory CD8 T cell pool, which can be used to create CD8 T cell-based vaccines against viral infections.

MOLECULAR THERAPY (2021)

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Letter Medicine, General & Internal

Effectiveness of the BNT162b2 Covid-19 Vaccine against the B.1.1.7 and B.1.351 Variants

Laith J. Abu-Raddad et al.

NEW ENGLAND JOURNAL OF MEDICINE (2021)

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Letter Medicine, General & Internal

BNT162b2-Elicited Neutralization against New SARS-CoV-2 Spike Variants

Yang Liu et al.

NEW ENGLAND JOURNAL OF MEDICINE (2021)

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Article Medicine, General & Internal

Effectiveness of the Pfizer-BioNTech and Oxford-AstraZeneca vaccines on covid-19 related symptoms, hospital admissions, and mortality in older adults in England: test negative case-control study

Jamie Lopez Bernal et al.

Summary: This study estimated the real-world effectiveness of Pfizer-BioNTech BNT162b2 and Oxford-AstraZeneca ChAdOx1-S vaccines against confirmed COVID-19 symptoms, hospital admissions, and deaths. The vaccines showed significant reduction in symptomatic COVID-19 among older adults and further protection against severe disease. Both vaccines demonstrated similar effects and protection was maintained for over 6 weeks.

BMJ-BRITISH MEDICAL JOURNAL (2021)

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Editorial Material Medicine, General & Internal

Covid-19: What do we know about Sputnik V and other Russian vaccines?

Chris Baraniuk

BMJ-BRITISH MEDICAL JOURNAL (2021)

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Editorial Material Medicine, General & Internal

What do we know about China's covid-19 vaccines?

Chris Baraniuk

Summary: The country where covid-19 first emerged is leading the way in promoting a series of vaccines domestically and internationally. However, lack of transparency around the data leads to a fragmented picture.

BMJ-BRITISH MEDICAL JOURNAL (2021)

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Article Immunology

The effect of SARS-CoV-2 D614G mutation on BNT162b2 vaccine-elicited neutralization

Jing Zou et al.

Summary: The D614G mutation modestly reduced SARS-CoV-2 neutralization by sera elicited from BNT162b2 vaccine in mice, rhesus monkeys, and humans, but the vaccine efficacy was consistent with the 95% observed in clinical trials.

NPJ VACCINES (2021)

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Article Immunology

Distinct antibody and memory B cell responses in SARS-CoV-2 naive and recovered individuals after mRNA vaccination

Rishi R. Goel et al.

Summary: mRNA vaccines exhibit robust serological and cellular priming, with naïve individuals requiring two doses for optimal antibody responses, especially against the B.1.351 variant. Memory B cells specific for spike protein and RBD were efficiently primed by vaccination, while recovered individuals showed significant boosting after the first dose, correlating with preexisting memory B cell levels. Identifying distinct responses based on prior SARS-CoV-2 exposure suggests that recovered subjects may only need one vaccine dose for peak responses, which can inform vaccine distribution strategies in resource-limited settings.

SCIENCE IMMUNOLOGY (2021)

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Article Multidisciplinary Sciences

BNT162b2-elicited neutralization of B.1.617 and other SARS-CoV-2 variants

Jianying Liu et al.

Summary: Serum samples from individuals vaccinated with the BNT162b2 vaccine can neutralize various SARS-CoV-2 variants, indicating mass immunization as a central strategy to end the global COVID-19 pandemic.

NATURE (2021)

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Article Multidisciplinary Sciences

BNT162b2 vaccine induces neutralizing antibodies and poly-specific T cells in humans

Ugur Sahin et al.

Summary: The BNT162b2 vaccine shows 95% efficacy in preventing COVID-19 by boosting neutralizing antibody titres and activating specific T cell responses. The vaccine-induced immune response is broad and stable, lasting for a prolonged period, providing good coverage against various SARS-CoV-2 variants.

NATURE (2021)

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Article Medicine, General & Internal

Safety, Immunogenicity, and Efficacy of the BNT162b2 Covid-19 Vaccine in Adolescents

Robert W. Frenck et al.

Summary: The BNT162b2 vaccine showed favorable safety profile and a greater immune response in 12-to-15-year-old recipients compared to young adults, and demonstrated high effectiveness against Covid-19.

NEW ENGLAND JOURNAL OF MEDICINE (2021)

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Article Multidisciplinary Sciences