News tagged with vaccine

Related topics: immune response · immune system · influenza · flu · infectious diseases

Scientists jump hurdle in HIV vaccine design

Scientists at The Scripps Research Institute (TSRI) have made another important advance in HIV vaccine design. The development was possible thanks to previous studies at TSRI showing the structures of a protein on HIV's surface, ...

May 26, 2017
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Reform on the menu as WHO votes for new chief

The World Health Organization's 194 members on Tuesday choose among three candidates to replace Margaret Chan as global health supremo, with each pledging to reform an agency under scrutiny.

May 23, 2017
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Vaccine

A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains a small amount of an agent that resembles a microorganism. The agent stimulates the body's immune system to recognize the agent as foreign, destroy it, and "remember" it, so that the immune system can more easily recognize and destroy any of these microorganisms that it later encounters.

Vaccines can be prophylactic (e.g. to prevent or ameliorate the effects of a future infection by any natural or "wild" pathogen), or therapeutic (e.g. vaccines against cancer are also being investigated; see cancer vaccine).

The term vaccine derives from Edward Jenner's 1796 use of the term cow pox (Latin variolæ vaccinæ, adapted from the Latin vaccīn-us, from vacca cow), which, when administered to humans, provided them protection against smallpox.

This text uses material from Wikipedia, licensed under CC BY-SA

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