- Effects
There is overwhelming scientific consensus that vaccines are a very safe and effective way to fight and eradicate infectious … See more
Vaccine - Wikipedia
A vaccine is a biological preparation that provides active acquired immunity to a particular infectious or malignant disease. The safety and effectiveness of vaccines has been widely studied and verified. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxin… See more
ValenceVaccines may be monovalent (also called univalent) or multivalent (also called polyvalent). A monovalent vaccine is designed to immunize against a single antigen or single microorganism. A multivalent … See more
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COVID-19 vaccine - Wikipedia
WEBA COVID‑19 vaccine is a vaccine intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 , the virus that causes coronavirus disease 2019 .
Vaccination - Wikipedia
WEBVaccination is the administration of a vaccine to help the immune system develop immunity from a disease. Vaccines contain a microorganism or virus in a weakened, live or killed state, or proteins or toxins from the …
Get the facts about COVID-19 vaccines - Mayo Clinic
WEBAs the coronavirus disease 2019 (COVID-19) continues to cause illness, you might have questions about COVID-19 vaccines. Find out about the different types of COVID-19 …
A Guide to Pfizer/BioNTech’s COVID-19 Vaccine
WEBApr 19, 2024 — The Pfizer/BioNTech vaccine is the first COVID-19 vaccine authorized for use in the U.S. and the first to be fully approved by the FDA. The companies released promising interim results from a...
COVID-19 vaccines - World Health Organization (WHO)
WEBSee WHO’s landscape of COVID-19 vaccine candidates for the latest information on vaccines in clinical and pre-clinical development. WHO’s COVID-19 dashboard also …
COVID-19 vaccine | Types, Effectiveness, & Safety
WEBAug 30, 2024 — COVID-19 vaccine, any of various suspensions that contain either modified mRNA, recombinant proteins, or immune-stimulating components of SARS-CoV-2, the cause of coronavirus disease 2019 …
Vaccine - Simple English Wikipedia, the free …
WEBIt is given to prevent a specific infectious or malignant disease. It only works against the microorganism for which it is prepared. It is usually given by injection, and called vaccination. At its best, vaccination gives immunity …
Vaccine | Definition, Types, History, & Facts | Britannica
WEB2 days ago — Vaccine, suspension of weakened or killed microorganisms or toxins or other biological preparation, such as those consisting of antibodies, lymphocytes, or mRNA, that is administered to prevent …
Moderna COVID-19 vaccine - Wikipedia
WEBThe Moderna COVID‑19 vaccine, sold under the brand name Spikevax, is a COVID-19 vaccine developed by the American company Moderna, the United States National Institute of Allergy and Infectious Diseases …
How the Johnson & Johnson Vaccine Works - The New York Times
WEBJohnson & Johnson is testing a coronavirus vaccine known as JNJ-78436735 or Ad26.COV2.S. Clinical trials showed that a single dose of the vaccine had an efficacy …
The Long History of mRNA Vaccines - Johns Hopkins
WEBOct 6, 2021 — So, why did it take until the global COVID-19 pandemic of 2020 for the first mRNA vaccine to be brought to market? In this explainer, Chris Beyrer talks us through …
Vaccine Timeline - History of Vaccines
WEBThe history of vaccines begins before the first vaccine, with an immunizing procedure called "inoculation" by some and "variolation" by others. According to researchers, …
Vaccine Types | HHS.gov
WEBDec 22, 2022 — There are several different types of vaccines. Each type is designed to teach your immune system how to fight off certain kinds of germs—and the serious …
COVID-19 vaccination in the United States - Wikipedia
WEBThe 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 …
The Science Behind The Historic mRNA Vaccine - NPR
WEBDec 17, 2020 — Mark Lennihan/AP. As we surpassed 300,000 coronavirus deaths in the U.S., there was one small bright spot just days earlier: the Pfizer-BioNTech vaccine was …
Vaccine — Wikipédia
WEBLa vaccine (en anglais VACV ou VACcinia Virus) est un orthopoxvirus, longtemps confondu avec celui du cowpox ou « variole bovine ». C'est aussi une anthropozoonose touchant …
Pfizer–BioNTech COVID-19 vaccine - Wikipedia
WEBThe Pfizer–BioNTech COVID-19 vaccine, sold under the brand name Comirnaty, [2][33] is an mRNA-based COVID-19 vaccine developed by the German biotechnology company …
Novavax COVID-19 vaccine - Wikipedia
WEBv. t. e. The Novavax COVID-19 vaccine, sold under the brand names Nuvaxovid and Covovax, [1] among others, is a subunit COVID-19 vaccine developed by Novavax and …
Vaccination — Wikipédia
WEBLa vaccination est un acte médical qui engage la responsabilité du vaccinateur ; elle doit être expliquée et consentie. Le sujet à vacciner a le droit de recevoir une information …
Immunization - Wikipedia
WEBImmunization, or immunisation, is the process by which an individual's immune system becomes fortified against an infectious agent (known as the immunogen).
Timeline of human vaccines - Wikipedia
WEBThis is a timeline of the development of prophylactic human vaccines. Early vaccines may be listed by the first year of development or testing, but later entries usually show the …
Polio vaccine - Wikipedia
WEBPolio vaccines are vaccines used to prevent poliomyelitis (polio). [2] [3] Two types are used: an inactivated poliovirus given by injection (IPV) and a weakened poliovirus given …
Smallpox vaccine - Wikipedia
WEBThe smallpox vaccine is used to prevent smallpox infection caused by the variola virus. [10] It is the first vaccine to have been developed against a contagious disease. In 1796, …