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Health Canada received a submission from Moderna on June 29, 2023 for yet another reformulated COVID-19 vaccine based on the Omicron XBB.1.5 subvariant of SARS-CoV-2. [131] The updated version was tested in a small human trial of 101 participants who had previously received four doses of previous formulations of the Moderna COVID-19 vaccine.
On December 9, 2020, Health Canada approved the Pfizer–BioNTech COVID-19 vaccine.Vaccines were distributed amongst the provinces by the Federal government. [3] Ontario received an initial delivery of 6,000 doses of the Pfizer vaccine [4] of a total of 90,000 doses to be received before the end of 2020. [5]
The rapidly growing infection rate of COVID‑19 worldwide during 2020 stimulated international alliances and government efforts to urgently organize resources to make multiple vaccines on shortened timelines, [11] with four vaccine candidates entering human evaluation in March (see COVID-19 vaccine § Trial and authorization status).
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 timeline of the COVID-19 pandemic lists the articles containing the chronology and epidemiology of SARS-CoV-2, [1] the virus that causes the coronavirus disease 2019 and is responsible for the COVID-19 pandemic. The first human cases of COVID-19 occurred in Wuhan, People's Republic of China, on or about 17 November 2019. [2]
With norovirus accounting for around 12,000 hospital admissions every year, news that a groundbreaking vaccine trial is set to begin has raised hopes that it could eventually help to relieve the ...
[6] [2] After the trial staff determine the drugs available at the hospital, the platform randomizes the hospitalized subject to one of the trial drugs or to the hospital standard of care for treating COVID-19. The trial physician records and submits follow-up information about the subject status and treatment, completing data input via the ...
In February 2022, Health Canada authorized use of CoVLP for preventing COVID-19 infection in adults 18 to 64 years old. [3] The authorization stated there was an efficacy rate of 71% after two vaccinations against symptoms of COVID-19 disease and 100% efficacy against severe COVID-19 infections. [3]