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COVID-19 vaccine clinical research uses clinical research to establish the characteristics of COVID-19 vaccines. These characteristics include efficacy , effectiveness , and safety. As of November 2022 [update] , 40 vaccines are authorized by at least one national regulatory authority for public use: [ 1 ] [ 2 ]
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.
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.
The Covid vaccines do not contain any live virus, “so you’re not worried that you’re going to give somebody a Covid infection,” she said, but some patients may be “at a point in their ...
The COVID-19 pandemic was confirmed to have reached the U.S. state of Pennsylvania in March 2020. As of October 7, 2021 [update] , the Pennsylvania Department of Health has confirmed 1,464,264 cumulative cases and 29,814 deaths in the state. [ 1 ]
A COVID‑19 vaccine is a vaccine intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 , the virus that causes coronavirus disease 2019 . The COVID‑19 vaccines are widely credited for their role in reducing the spread of COVID‑19 and reducing the severity and death caused by COVID‑19.
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Many medical researchers make use of VAERS to study the effects of vaccination. VAERS warns researchers using its database that the data should not be used in isolation to draw conclusions about cause and effect. [11] Nonetheless, raw data from VAERS has been used in vaccine litigation to support the claim that vaccines cause autism.