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Heroin vaccine blocks relapse in preclinical study

Scientists at The Scripps Research Institute (TSRI) have reported successful preclinical tests of a new vaccine against heroin. The vaccine targets heroin and its psychoactive breakdown products in the bloodstream, preventing ...

Medical research created May 06, 2013 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Genome sequencing provides unprecedented insight into causes of pneumococcal disease

A new study led by researchers from Harvard School of Public Health (HSPH) and the Wellcome Trust Sanger Institute in the UK has, for the first time, used genome sequencing technology to track the changes in a bacterial population ...

Genetics created May 05, 2013 | popularity not rated yet | comments 1 | with audio podcast

Researchers find potential map to more effective HIV vaccine

By tracking the very earliest days of one person's robust immune response to HIV, researchers have charted a new route for developing a long-sought vaccine that could boost the body's ability to neutralize ...

HIV & AIDS created Apr 03, 2013 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

New vaccine-design approach targets HIV and other fast-mutating viruses

A team led by scientists from The Scripps Research Institute (TSRI) and the International AIDS Vaccine Initiative (IAVI) has unveiled a new technique for vaccine design that could be particularly useful against ...

HIV & AIDS created Mar 28, 2013 | popularity 4.8 / 5 (6) | comments 1 | with audio podcast

Measles vaccine given with a microneedle patch could boost immunization programs

Measles vaccine given with painless and easy-to-administer microneedle patches can immunize against measles at least as well as vaccine given with conventional hypodermic needles, according to research done ...

Medications created Nov 27, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

AIDS science at 30: 'Cure' now part of lexicon

Big names in medicine are set to give an upbeat assessment of the war on AIDS on Tuesday, 30 years after French researchers identified the virus that causes the disease.

HIV & AIDS created 15 hours ago | popularity 5 / 5 (1) | comments 0

India announces low-cost rotavirus vaccine (Update)

The Indian government announced Tuesday the development of a new low-cost vaccine proven effective against a diarrhea-causing virus that is one of the leading causes of childhood deaths across the developing world.

Medications created May 14, 2013 | popularity 5 / 5 (1) | comments 0

Study defines level of dengue virus needed for transmission

Researchers have identified the dose of dengue virus in human blood that is required to infect mosquitoes when they bite. Mosquitoes are essential for transmitting the virus between people so the findings have important implications ...

Diseases, Conditions, Syndromes created May 13, 2013 | popularity not rated yet | comments 0 | with audio podcast

Lyme disease vaccine shows promise in clinical trial

(Medical Xpress)—The results of a phase 1/2 clinical trial in Europe of an investigational Lyme disease vaccine co-developed by researchers at Stony Brook University, Brookhaven National Laboratory, and at Baxter International ...

Medications created May 13, 2013 | popularity not rated yet | comments 0 | with audio podcast

Study identifies influenza viruses circulating in pigs and birds that could pose a risk to humans

In the summer of 1968, a new strain of influenza appeared in Hong Kong. This strain, known as H3N2, spread around the globe and eventually killed an estimated 1 million people.

Diseases, Conditions, Syndromes created May 10, 2013 | popularity not rated yet | comments 0 | with audio podcast

Cocaine vaccine passes key testing hurdle

Researchers at Weill Cornell Medical College have successfully tested their novel anti-cocaine vaccine in primates, bringing them closer to launching human clinical trials. Their study, published online by the journal Neuropsychopharmacology, used a ...

Psychology & Psychiatry created May 10, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Engineered spider toxin could be the future of anti-venom vaccines

New engineered spider protein could be the start of a new generation of anti-venom vaccines, potentially saving thousands of lives worldwide. The new protein, created from parts of a toxin from the reaper ...

Medications created May 09, 2013 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Discovery holds potential in destroying drug-resistant bacteria

Through the serendipity of science, researchers at the University of Pittsburgh have discovered a potential treatment for deadly, drug-resistant bacterial infections that uses the same approach that HIV uses to infect cells. ...

Medical research created May 07, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Competing antibodies may have limited the protection achieved in HIV vaccine trial in Thailand

Continuing analysis of an HIV vaccine trial undertaken in Thailand is yielding additional information about how immune responses were triggered and why the vaccine did not protect more people.

HIV & AIDS created May 06, 2013 | popularity not rated yet | comments 0 | with audio podcast

Latest HIV vaccine doesn't work; govt halts study (Update)

The latest bad news in the hunt for an AIDS vaccine: The government halted a large U.S. study on Thursday, saying the experimental shots are not preventing HIV infection.

HIV & AIDS created Apr 25, 2013 | popularity not rated yet | comments 0

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.

For more information about Vaccine, read the full article at Wikipedia.
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