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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.
On 4 February 2020, US Secretary of Health and Human Services Alex Azar published a notice of declaration under the Public Readiness and Emergency Preparedness Act for medical countermeasures against COVID‑19, covering "any vaccine, used to treat, diagnose, cure, prevent, or mitigate COVID‑19, or the transmission of SARS-CoV-2 or a virus ...
Percent of people of all ages who received all doses prescribed by the initial COVID-19 vaccination protocol. Two of the three COVID-19 vaccines used in the U.S. require two shots to be fully vaccinated. The other vaccine requires only one shot. Booster doses are recommended too. [2] [3] See Commons source for date of last upload.
Full map including municipalities. State, territorial, tribal, and local governments responded to the COVID-19 pandemic in the United States with various declarations of emergency, closure of schools and public meeting places, lockdowns, and other restrictions intended to slow the progression of the virus.
[20] [22] [21] The United States began use of the Janssen vaccine in March 2021, [267] but discouraged use in favor of other available vaccines in December 2021 due to the risk of a rare clotting disorder. [268] The Janssen vaccine became unavailable in the United States in May 2023 after all existing doses expired. [269] Full (4)
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 ...
COVID-19 vaccines became available in December 2020, under emergency use, beginning the national vaccination program, with the first vaccine officially approved by the Food and Drug Administration (FDA) on August 23, 2021. [24] Studies have shown them to be highly protective against severe illness, hospitalization, and death.
The Biden administration COVID-19 action plan, also called the Path out of the Pandemic, is a substantial increase in the use of vaccination mandates as part of the U.S. federal government response to the COVID-19 pandemic announced by President Joe Biden on September 9, 2021, to be carried out by officials in the Biden administration.