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Both Pfizer's and Moderna's vaccines use messenger RNA (mRNA) to deliver a blueprint of sorts to cells in the body. No deaths occurred related to the booster dose. This is likely related to inequities in social determinants of health that put racial and ethnic minority groups at increased risk for COVID-19, including overrepresentation among essential workers who have higher risk of exposure to COVID-19, lower incomes, reduced access to healthcare, or higher rates of comorbid conditions. After a second dose of the Pfizer vaccine: Meanwhile, after a second dose of the Moderna vaccine: Like the Novavax vaccine, side effects were more common after the second vaccine dose. People who had side effects with either mRNA or adenovirus-vectored vaccines, even if short term, may be open to switching technologies if available, Thomas said. Novavax stock has dropped about 97% since its peak in 2021. In interviews, Novavax CEO Stanley Erck has said the vaccines use as a booster might be its biggest market in the US. The vaccine has been proven to have 90 per cent efficacy rate against mild, moderate and severe disease, WHO said. Still . However, it was accompanied by the vague proviso that it can be used only when an mRNA vaccine such as Pfizer is not suitable. In this case, it's the spike protein of SARS-CoV-2, the virus that causes COVID-19. Pfizer and Moderna eked out . Overall, the researchers found that the Novavax vaccine was 92.6% effective against the Alpha and Beta variants of the virus. Any medical information published on this website is not intended as a substitute for informed medical advice and you should not take any action before consulting with a healthcare professional. This type of vaccine contains an antigen (protein) that's unique to a germ. Were much more familiar with protein vaccines.'. CDC Allows Novavax Monovalent COVID-19 Boosters for Adults Ages 18 and Older Media Statement For Immediate Release: Wednesday, October 19, 2022 Contact: Media Relations (404) 639-3286 Today, CDC's Director Rochelle P. Walensky, M.D., M.P.H., signed a decision memo allowing Novavax monovalent COVID-19 boosters for adults. Get stock recommendations, portfolio guidance, and more from The Motley Fool's premium services. Select the filter 'Novavax ages 12+ only' under 'Vaccine type'. Novavax is the first protein-based COVID-19 vaccine to be approved for use in New Zealand and helps prevent you from getting infected and having COVID-19 symptoms, or severe illness. Therefore, they recommend that pregnant people receive information about the risks of COVID-19 during pregnancy, the potential benefits of vaccination, and safety data limitations so that they can make their own decision. It's free. Novavax differs from mRNA vaccines like Pfizer and Moderna but all have similar side effects after a person is jabbed. However, 298 participants provided immunogenicity data and the data suggest that receipt of a Novavax booster dose induces enhanced immune response to both ancestral strain (geometric mean fold rise [GMFR]: 3.4 [95% CI: 2.8, 4.0) and to Omicron BA.1 (geometric mean fold rise [GMFR]: 17.3 [95% CI: 10.6, 28.1) when compared with the Novavax primary series.