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[15] [16] On 2 December 2020, the United Kingdom's Medicines and Healthcare products Regulatory Agency (MHRA) gave temporary regulatory approval for the Pfizer–BioNTech vaccine, [17] [18] becoming the first country to approve this vaccine and the first country in the Western world to approve the use of any COVID‑19 vaccine.
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.
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 ...
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 vaccine is the first COVID‑19 vaccine to be authorized by a stringent regulatory authority for emergency use [62] [63] and the first to be approved for regular use. [43] In December 2020, the United Kingdom was the first country to authorize its use on an emergency basis. [61] It is authorized for use at some level in the majority of ...
“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.”
The focus of Operation Warp Speed to deploy approved COVID-19 vaccines first for the American people raised ethical and logistical concerns that access to vaccines outside of the United States may be restricted during 2021, leaving low-to-middle-income countries with no or minimal supply. [85]
The COVID-19 pandemic, and sequencing of the causative virus SARS-CoV-2 at the beginning of 2020, led to the rapid development of the first approved mRNA vaccines. [ 44 ] [ 45 ] BioNTech and Moderna in December of the same year obtained approval for their mRNA-based COVID-19 vaccines .
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