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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 ...
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 ...
There is a vaccine for SARS, although in March 2020 immunologist Anthony Fauci said the CDC developed one and placed it in the Strategic National Stockpile. [15] That vaccine is a final product and field-ready as of March 2022. [16] Clinical isolation and vaccination remain the most effective means to prevent the spread of SARS. Other ...
The BioNTech technology for the BNT162b2 vaccine is based on use of nucleoside-modified mRNA (modRNA) which encodes a mutated form of the full-length spike protein found on the surface of the SARS-CoV-2 virus, [130] triggering an immune response against infection by the virus protein.
The Moderna COVID‑19 vaccine is used to provide protection against infection by the SARS‑CoV‑2 virus in order to prevent COVID‑19. [ 42 ] [ 2 ] The vaccine is given by intramuscular injection into the deltoid muscle of the arm. [ 33 ]
National regulatory authorities have granted full or emergency use authorizations for 40 COVID-19 vaccines.. Ten vaccines have been approved for emergency or full use by at least one stringent regulatory authority recognized by the World Health Organization (WHO): Pfizer–BioNTech, Oxford–AstraZeneca, Sinopharm BIBP, Moderna, Janssen, CoronaVac, Covaxin, Novavax, Convidecia, and Sanofi ...
As an inactivated vaccine like the Sinopharm BIBP vaccine and Covaxin, CoronaVac uses a more traditional technology [69] [12] that is similar to the inactivated polio vaccine. Initially, a sample of SARS-CoV-2 from China was used to grow large quantities of the virus using vero cells .
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]