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  2. Embolic and thrombotic events after COVID-19 vaccination

    en.wikipedia.org/wiki/Embolic_and_thrombotic...

    The thrombosis events associated with the COVID‑19 vaccine may occur 4–28 days after its administration and mainly affects women under 55. [6] [2] [20] Several relatively unusual types of thrombosis were specifically reported to be occurring in those with the reaction: cerebral venous sinus thrombosis and thrombosis of the splanchnic veins.

  3. Pfizer–BioNTech COVID-19 vaccine - Wikipedia

    en.wikipedia.org/wiki/Pfizer–BioNTech_COVID-19...

    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. [45][46] It is authorized for use ...

  4. COVID-19 vaccination in the United States - Wikipedia

    en.wikipedia.org/wiki/COVID-19_vaccination_in...

    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.

  5. How Long After Having COVID Should You Get the New Vaccine? - AOL

    www.aol.com/long-having-covid-vaccine-175600596.html

    The latest COVID vaccine is an updated booster that targets the Omicron variants that have been circulating all summer (part of the FLiRT family). The new vaccines were tweaked using the KP.2 ...

  6. History of COVID-19 vaccine development - Wikipedia

    en.wikipedia.org/wiki/History_of_COVID-19...

    t. e. SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2), the virus that causes COVID-19, was isolated in late 2019. [1] Its genetic sequence was published on 11 January 2020, triggering an urgent international response to prepare for an outbreak and hasten the development of a preventive COVID-19 vaccine. [2][3][4] Since 2020 ...

  7. What Doctors Want You to Know About XEC, the New COVID ... - AOL

    www.aol.com/doctors-want-know-xec-covid...

    Cases of COVID-19 have dipped slightly in the U.S. after a large summer wave, but doctors expect another spike on the horizon, as temperatures drop and people head indoors.Now, there’s a new ...

  8. Oxford–AstraZeneca COVID-19 vaccine - Wikipedia

    en.wikipedia.org/wiki/Oxford–AstraZeneca_COVID...

    A study on the effectiveness of a first dose of the Pfizer–BioNTech or Oxford–AstraZeneca COVID-19 vaccines against COVID-19 related hospitalisation in Scotland was based on a national prospective cohort study of 5.4 million people. Between 8 December 2020 and 15 February 2021, 1,137,775 participants were vaccinated in the study, 490,000 of ...

  9. mRNA vaccine - Wikipedia

    en.wikipedia.org/wiki/MRNA_vaccine

    The COVID-19 mRNA vaccines from Moderna and Pfizer–BioNTech have efficacy rates of 90 to 95 percent. [citation needed] Prior mRNA, drug trials on pathogens other than COVID-19 were not effective and had to be abandoned in the early phases of trials. The reason for the efficacy of the new mRNA vaccines is not clear. [98]