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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 December 23, 2020, Health Canada approved the mRNA-1273 COVID-19 vaccine developed by Moderna. [8] The first tranche of vaccines of a total 53,000 designated for Ontario by the end of 2020 arrived at Toronto Pearson International Airport on December 24. [9] [10] [11] Over the Christmas and holiday season, many vaccination clinics were paused ...
In March 2021, [39] the government of China rolled out the world's first [40] COVID-19 vaccine passport system through a partnership [37] with Alipay and WeChat. The system provides a health certificate that includes an individual's vaccine status and the results of COVID-19 testing.
The mask requirement follows news that more than 500,000 COVID-19 vaccine booster shots were administered in the state last week. The Food and Drug Administration has also authorized booster shots ...
The Ontario government announced a COVID-19 vaccine certification system that came into effect on 22 September. [40] It was met with protests. [40] On October 28, 2021, Chief Medical Officer of Health of Ontario Kieran Moore said that Ontario will not integrate a COVID-19 vaccine requirement into the Immunization of School Pupils Act (ISPA) "at ...
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.
During the second dose rollout of the vaccine in Ontario, Vaccine Hunters Canada assisted in getting people to clinics. However, there were reports of verbal abuse of staff due to large volumes of people flooding the clinics, many were ineligible. [18] [19] [20] In June 2021, the group launched their own online tool to find vaccine appointments.
As of October 31, 2021, Washington has administered 16.2 million COVID-19 vaccine doses, and has fully vaccinated 5.69 million people, equivalent to approximately 77 percent of the population. [4] Approximately 15 percent of Washington residents have received the updated booster vaccine released in September 2022 and formulated for the SARS-CoV ...