Suspicions grow that nanoparticles in Pfizer’s COVID-19 vaccine trigger rare allergic reactions | Science | AAAS

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https://www.sciencemag.org/news/2020/12/suspicions-grow-nanoparticles-pfizer-s-covid-19-vaccine-trigger-rare-allergic-reactions

Science’s COVID-19 reporting is supported by the Pulitzer Center and the Heising-Simons Foundation.

Severe allergy-like reactions in at least eight people who received the COVID-19 vaccine produced by Pfizer and BioNTech over the past 2 weeks may be due to a compound in the packaging of the messenger RNA (mRNA) that forms the vaccine’s main ingredient, scientists say. A similar mRNA vaccine developed by Moderna, which was authorized for emergency use in the United States on Friday, also contains the compound, polyethylene glycol (PEG).

PEG has never been used before in an approved vaccine, but it is found in…

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Published by technofiend1

Kazan- Kazan National Research Technical University Казанский национальный исследовательский технический университет имени А. Н. Туполева he graduated in Economics in 1982

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