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The Pfizer–BioNTech COVID-19 vaccine, sold under the brand name Comirnaty, [2] [33] is an mRNA-based COVID-19 vaccine developed by the German biotechnology company BioNTech. For its development, BioNTech collaborated with the American company Pfizer to carry out clinical trials, logistics, and manufacturing.
In December 2020, the CHMP started a rolling review of the Ad26.COV2.S COVID‑19 vaccine from Janssen-Cilag International N.V. [143] On 21 December 2020, the CHMP recommended granting a conditional marketing authorization for the Pfizer-BioNTech COVID‑19 vaccine, Comirnaty (active ingredient tozinameran), developed by BioNTech and Pfizer.
How COVID‑19 vaccines work. The video shows the process of vaccination, from injection with RNA or viral vector vaccines, to uptake and translation, and on to immune system stimulation and effect. Part of a series on the COVID-19 pandemic Scientifically accurate atomic model of the external structure of SARS-CoV-2. Each "ball" is an atom. COVID-19 (disease) SARS-CoV-2 (virus) Cases Deaths ...
The COVID-19 vaccination campaign in the United States is an ongoing mass immunization campaign for the COVID-19 pandemic in the United States.The Food and Drug Administration (FDA) first granted emergency use authorization to the Pfizer–BioNTech vaccine on December 10, 2020, [7] and mass vaccinations began four days later.
The main mix of ingredients remains the same in these new COVID vaccines, according to the Food and Drug Administration, but they have been updated to better target an omicron descendant, XBB.1.5 ...
“The vaccine does not have the live COVID-19 virus in it,” Dr. Robinson says. “Instead, it targets your immune system to create antibodies that will fight the virus if you were infected.”
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National regulatory authorities have granted full or emergency use authorizations for 40 COVID-19 vaccines.. Ten vaccines have been approved for emergency or full use by at least one stringent regulatory authority recognized by the World Health Organization (WHO): Pfizer–BioNTech, Oxford–AstraZeneca, Sinopharm BIBP, Moderna, Janssen, CoronaVac, Covaxin, Novavax, Convidecia, and Sanofi ...