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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 updated COVID-19 vaccine could be available any day, a promising development for California and the nation amid a potent and enduring summer wave of the disease.
In California as of July 31, 37% of seniors had received the updated COVID-19 vaccine for the 2023–24 season, as did 18.7% of those age 50 to 64, and 10.1% of the youngest adults.
If you were exposed to COVID-19 but don’t notice symptoms, the CDC recommends testing five full days after the exposure. However, if you’re feeling symptoms, you should test immediately.
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.
As of June 16, 2022, the California Department of Public Health (CDPH) has reported 9,199,942 confirmed cumulative cases and 91,240 deaths in the state. [3] This was the highest number of confirmed cases in the United States , but because the state has the highest population of any US state, it also had one of the lowest rankings (41st highest ...
California will begin sending 40% of all vaccine doses to the most vulnerable neighborhoods in the state to try to inoculate people most at risk from the coronavirus and get the state’s economy ...
The CHMP's decision to start the rolling review is based on preliminary results from laboratory studies (non-clinical data) and early clinical studies in adults, which suggest that the vaccine triggers the production of antibodies that target SARS-CoV-2, the virus that causes COVID-19, and may help protect against the disease. [24]