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t. e. SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2), the virus that causes COVID-19, was isolated in late 2019. [ 1] Its genetic sequence was published on 11 January 2020, triggering an urgent international response to prepare for an outbreak and hasten the development of a preventive COVID-19 vaccine. [ 2][ 3][ 4] Since 2020 ...
COVID-19 Vaccines Global Access, abbreviated as COVAX, is a worldwide initiative aimed at equitable access to COVID-19 vaccines directed by the GAVI vaccine alliance, the Coalition for Epidemic Preparedness Innovations (CEPI), and the World Health Organization (WHO), alongside key delivery partner UNICEF. It is one of the four pillars of the ...
The Oxford–AstraZeneca COVID-19 vaccine, sold under the brand names Vaxzevria[6]and Covishield,[7]is a viral vector vaccine[8]produced by the British University of Oxford, British-Swedish company AstraZeneca, and the Coalition for Epidemic Preparedness Innovations. [8][9][10]Finland, Denmark, and Norway suspended the use of the Oxford ...
The COVID-19 vaccination program in Peru is the national vaccination strategy to protect the population against SARS-CoV-2 employing vaccines developed for the COVID-19 pandemic in Peru. Vaccination began on 9 February 2021, after three days of arrival of first vaccines. [1] On a nation message, the head of state Francisco Sagasti confirmed the ...
The Pfizer–BioNTech COVID-19 vaccine, sold under the brand name Comirnaty, [ 2][ 32] is an mRNA-based COVID-19 vaccine developed by the German biotechnology company BioNTech. For its development, BioNTech collaborated with the American company Pfizer to carry out clinical trials, logistics, and manufacturing. [ 44][ 45] It is authorized for ...
The Oxford–AstraZeneca COVID‑19 vaccine is used to provide protection against infection by the SARS-CoV-2 virus in order to prevent COVID-19 in adults aged 18 years and older. [ 1 ] The medicine is administered by two 0.5 ml (0.017 US fl oz) doses given by intramuscular injection into the deltoid muscle (upper arm).
mRNA vaccine. An mRNA vaccine is a type of vaccine that uses a copy of a molecule called messenger RNA (mRNA) to produce an immune response. [ 1] The vaccine delivers molecules of antigen -encoding mRNA into immune cells, which use the designed mRNA as a blueprint to build foreign protein that would normally be produced by a pathogen (such as a ...
COVID-19 vaccine vial prop. A viral vector vaccine is a vaccine that uses a viral vector to deliver genetic material ( DNA) that can be transcribed by the recipient's host cells as mRNA coding for a desired protein, or antigen, to elicit an immune response. [ 1] As of April 2021, six viral vector vaccines, four COVID-19 vaccines and two Ebola ...