A vaccine is an antigenic preparation used to produce active immunity to a disease, in order to prevent or ameliorate the effects of infection by any natural or "wild" strain of the organism. The term derives from Edward Jenner's use of cowpox ("vacca" means cow in Latin), which, when administered to humans, provided them protection against smallpox, which Pasteur and others perpetuated. The process of distributing and administrating vaccines is referred to as vaccination.

Vaccines against cancer are also being investigated; see cancer vaccine. In this case, the antigenic preparation is derived from the cancer cell. There is also research on an HIV vaccine.

Origin of vaccines

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More on [ Vaccine ]

Yellow Fever Vaccine - Twitter Search

Ex Chief Merck Corp Scientist on how AIDS started with Polio Vaccine & Yellow Fever vaccine contained leukemia http://tinyurl.com/yhy9bb2
Elfspear (Elfspear) Thu, 05 Nov 2009 11:09:42 -0000
Ex Chief Merck Corp Scientist on how AIDS started with Polio Vaccine & Yellow Fever vaccine contained leukemia http://tinyurl.com/yhy9bb2
is having a reaction to the yellow fever vaccine and is all pink and itchy!
rachelslack (Rachel Slack) Tue, 03 Nov 2009 18:17:19 -0000
is having a reaction to the yellow fever vaccine and is all pink and itchy!
Yellow fever vaccine = fever + exhaustion. Lamopants.
weeny (Sheena) Mon, 02 Nov 2009 07:57:17 -0000
Yellow fever vaccine = fever + exhaustion. Lamopants.
Going to inject 'Yellow Fever' vaccine
skhajornsuwan (Na S Austin) Mon, 02 Nov 2009 06:25:19 -0000
Going to inject 'Yellow Fever' vaccine
RE: yellow fever vaccine for southern Africa and madagascar: Have a look at the WHO site linked here... http://.. http://bit.ly/3h9j5j
back_packing (Alexander Kruschat) Sun, 01 Nov 2009 07:04:17 -0000
RE: yellow fever vaccine for southern Africa and madagascar: Have a look at the WHO site linked here... http://.. http://bit.ly/3h9j5j
Yellow Fever vaccine is required in most parts of Africa and S. America. Traveling soon??http://www.passporthealthindiana.com
PassportIndiana (Michael Durs) Sat, 31 Oct 2009 22:42:09 -0000
Yellow Fever vaccine is required in most parts of Africa and S. America. Traveling soon??http://www.passporthealthindiana.com

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