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ZF2001, trade-named Zifivax or ZF-UZ-VAC-2001, is an adjuvanted protein subunit COVID-19 vaccine developed by Anhui Zhifei Longcom in collaboration with the Institute of Microbiology at the Chinese Academy of Sciences. [2] [3] The vaccine candidate is in Phase III trials with 29,000 participants in China, Ecuador, Malaysia, Pakistan, and ...
Higher-priority uses of the data include reports of death and other serious adverse events, recognizing and detecting adverse effects, and finding unexpected adverse events involving new vaccines. The VAERS data are also used to monitor known reactions to vaccines and for vaccine lot surveillance.
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.
Countries should report on a case-by-case basis as far as possible but, in case of limitation in resources, aggregate weekly reporting is also possible. [2] Some organizations have created crowdsourced apps for syndromic surveillance, where people can report their symptoms to help researchers map areas with concentration of COVID-19 symptoms. [3]
The phase III clinical trial involves 4,037 participants. In April 2022, results of the phase III trial confirmed the vaccine to be safe and effective. [11] It elicited approximately three times more antibodies than the Oxford–AstraZeneca COVID-19 vaccine. The South Korean Government has ordered 10 million doses for domestic use. [12]
A passive surveillance system consists of the regular, ongoing reporting of diseases and conditions by all health facilities in a given territory. An active surveillance system is one where health facilities are visited and health care providers and medical records are reviewed in order to identify a specific disease or condition. [3]
HPSC produces annual epidemiological reports covering all areas of infectious and communicable disease surveillance carried out in Ireland. It is the designated Competent Body for liaison with European Centre for Disease Prevention and Control and is Ireland's national World Health Organization International Health Regulations (IHR) focal point for communicable diseases.
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 ]