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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 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, Pfizer–BioNTech and Moderna obtained authorization for their mRNA-based COVID-19 vaccines. On 2 December, the UK Medicines and Healthcare products Regulatory Agency (MHRA) became the first medicines regulator to approve an mRNA vaccine, authorizing the Pfizer–BioNTech vaccine for widespread use.
Pfizer, one of the world's largest pharmaceutical companies, became a household name in 2020 when it was the first to have its COVID-19 vaccine authorized for use by the FDA. The vaccine came under...
In August, the Food and Drug Administration authorized updated vaccines against COVID-19. Here's what to know about the three vaccines available in the U.S.
This photo provided by Pfizer in August 2024 shows a packaging for the company's updated COVID vaccine for ages 12 and up, approved by the U.S. Food and Drug Administration on Thursday, Aug. 22, 2024.
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.
Here’s how it works, per infectious disease expert Amesh A. Adalja, M.D., senior scholar at the Johns Hopkins Center for Health Security: The Novavax vaccine is a protein-based vaccine that’s ...
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