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  1. Clinical trial results showed the Pfizer and Moderna vaccines to be 95.0%, and the Johnson & Johnson vaccine to be 66.0% effective in protecting against moderate and symptomatic SARS-CoV-2 infection.

  2. 2 Απρ 2024 · This European multi-Country Cohort Event Monitoring Study, based on patient-reported outcomes (PROs), provides insight into the pattern of adverse reactions following COVID-19 vaccines across age groups, vaccine brands and doses, sex, and prior SARS-CoV-2 infection and use a mixed-effects model analysis to look at the contribution of each of ...

  3. To that end, on March 17, 2020, Pfizer and BioNTech began collaborating to accelerate BioNTech’s mRNA-based vaccine program BNT162 that aimed to develop a vaccine to help prevent COVID-19 disease by leveraging expertize and resources of both companies. mRNA vaccines work by delivering mRNA molecules by lipid nanoparticles (LNP) to cells ...

  4. 3 Μαΐ 2022 · A timeline of critical events in the COVID-19 vaccine development progress. WHO has approved the emergency use of ten vaccines (including three India vaccines, COVISHIELD, COVAXIN, and...

  5. 19 Μαΐ 2023 · This meta-analysis evaluated the Efficacy and Effectiveness of several COVID-19 vaccines, including AstraZeneca, Pfizer, Moderna, Bharat, and Johnson & Johnson, to better estimate their immunogenicity, benefits, or side effects.

  6. At the time of writing this review, immediate reactions clinically compatible with anaphylaxis have occurred at a rate of 11.1 per million doses of the Pfizer-BioNTech mRNA COVID-19 vaccine. 2 Anaphylaxis has also been reported from the Moderna mRNA COVID-19 vaccine.

  7. Results: Based on the currently available literature, both vaccines are beneficial to provide immunity against SARS-CoV-2 infection. Pfizer/BioNTech Vaccine has been recommended to people 16 years of age and older, with a dose of 30 μg (0.3 m) at a cost of $19.50.

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