- Case-controlled study conducted in Qatar found that three doses of BNT162b2 (Pfizer-BioNTech) vaccine and no prior infection had 52.3% effectiveness against symptomatic BA.2 infection. Two doses + prior infection was 55.1%. Three doses + prior infection was 77.3%. Previous infection alone was 46.1%. https://doi.org/10.1056/NEJMoa2203965 11 comments science
- Prior infection + 3 vaccine doses proves best vs Omicron: People who were infected with an earlier version of the coronavirus and received three doses of an mRNA vaccine, such as the Pfizer shot, appear to be best protected against symptomatic infection by the Omicron variant https://www.nejm.org/doi/full/10.1056/NEJMoa2203965 3 comments science
Linking pages
- BNT162b2-induced neutralizing and non-neutralizing antibody functions against SARS-CoV-2 diminish with age: Cell Reports https://www.cell.com/cell-reports/fulltext/S2211-1247(22)01400-0 75 comments
- Past SARS-CoV-2 infection protection against re-infection: a systematic review and meta-analysis - The Lancet https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(22)02465-5/fulltext 34 comments
- Effects of Previous Infection and Vaccination on Symptomatic Omicron Infections | NEJM https://doi.org/10.1056/NEJMoa2203965 15 comments
- Observed negative vaccine effectiveness could be the canary in the coal mine for biases in observational Covid-19 studies - International Journal of Infectious Diseases https://www.ijidonline.com/article/S1201-9712(23)00102-9/fulltext#seccesectitle0003 6 comments
- COVID Science Is Moving Backwards - The Atlantic https://www.theatlantic.com/science/archive/2022/12/covid-science-data-bivalent-vaccines-paxlovid/672378/ 5 comments
- The Rules of Asymptomatic COVID Have Changed - The Atlantic https://www.theatlantic.com/health/archive/2023/02/rules-asymptomatic-covid-have-changed/673233/ 2 comments
Linked pages
- Covid-19 Vaccine Effectiveness against the Omicron (B.1.1.529) Variant | NEJM https://www.nejm.org/doi/full/10.1056/NEJMoa2119451 237 comments
- Effect of mRNA Vaccine Boosters against SARS-CoV-2 Omicron Infection in Qatar | NEJM https://www.nejm.org/doi/full/10.1056/NEJMoa2200797 43 comments
- Efficacy and Safety of the mRNA-1273 SARS-CoV-2 Vaccine | NEJM https://www.nejm.org/doi/full/10.1056/nejmoa2035389 18 comments
- Safety and Efficacy of the BNT162b2 mRNA Covid-19 Vaccine | NEJM https://www.nejm.org/doi/full/10.1056/NEJMoa2034577 1 comment
- Tracking SARS-CoV-2 variants https://www.who.int/en/activities/tracking-SARS-CoV-2-variants/ 0 comments
- Waning of BNT162b2 Vaccine Protection against SARS-CoV-2 Infection in Qatar | NEJM https://www.nejm.org/doi/full/10.1056/NEJMoa2114114 0 comments
- Effectiveness of the BNT162b2 Covid-19 Vaccine against the B.1.1.7 and B.1.351 Variants | NEJM https://www.nejm.org/doi/full/10.1056/NEJMc2104974 0 comments
- Efficacy of Natural Immunity against SARS-CoV-2 Reinfection with the Beta Variant | NEJM https://www.nejm.org/doi/full/10.1056/NEJMc2110300 0 comments
- VV116 versus Nirmatrelvir–Ritonavir for Oral Treatment of Covid-19 | NEJM https://www.nejm.org/doi/full/10.1056/NEJMoa2208822 0 comments
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