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In December 2020, the CHMP started a rolling review of the Ad26.COV2.S COVID‑19 vaccine from Janssen-Cilag International N.V. [143] On 21 December 2020, the CHMP recommended granting a conditional marketing authorization for the Pfizer-BioNTech COVID‑19 vaccine, Comirnaty (active ingredient tozinameran), developed by BioNTech and Pfizer.
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.
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 ...
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On July 22, 2020, the U.S. government placed a conditional advance-purchase order of $2 billion with Pfizer to manufacture 100 million doses of a COVID-19 vaccine, with an option for 500 million more, for use in the United States if the vaccine was shown to be safe, effective, licensed, and authorized by the Food and Drug Administration (FDA).
All travelers need to present a negative COVID-19 test. Djibouti: As of 18 July 2020, Djiboutian air, sea and land borders have reopened. [137] Egypt: As of 1 July 2020, Egypt is officially open for tourism. [138] As of 15 August, all passengers must have a negative COVID-19 test within 72 hours before arrival. [139]
In August, China's National Intellectual Property Administration issued the country's first COVID-19 vaccine patent to CanSino. [35] On 16 May 2020, Canadian Prime Minister Justin Trudeau announced Health Canada had approved Phase II trials to be conducted by the Canadian Center for Vaccinology (CCfV) on the COVID-19 vaccine produced by CanSino.
The next day, March 19, Trump promoted hydroxychloroquine and chloroquine during his daily briefing as potential treatments by prescription for COVID-19. [ 108 ] [ 109 ] For the next several weeks Trump continued to promote the drug as a potential "game changer" in treatment of the virus. [ 110 ]