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How Mosquitoes Are Drawn to Human Skin and Breath

Female mosquitoes, which can transmit deadly diseases like malaria, dengue fever, West Nile virus and filariasis, are attracted to us by smelling the carbon...

Prawn vs. snail: Researchers use competition to fight disease

A freshwater prawn may not appear intimidating at first glance – it’s a petite bottom-feeder that can fit in the palm of most people’s...

Scripps Research scientists uncover new mechanism of memory formation

JUPITER, FL, August 24, 2010 -- - Scientists from the Florida campus of The Scripps Research Institute have discovered a mechanism that plays a critical role in the formation of long-term memory. The findings shed substantial new light on aspects o...

Infection by closely related HIV strains possible

A report of an individual infected with a second strain of HIV despite effective drug treatment following the first infection has researchers concerned. "For the first time, we've shown it is possible for an individual to become infected with two closely related strains of HIV," says Bruce D. Walker, M.D., a researcher at Massachusetts General Hospital and Harvard Medical School. The findings underscore the challenges vaccine developers face in creating a broadly effective vaccine against HIV. The first HIV vaccines may not prevent infection altogether, but rather may prevent HIV from causing disease by limiting the virus' ability to reproduce, explains Dr. Walker. This case shows that a hypothetical vaccine against one strain of HIV may not necessarily protect the vaccinee against other, closely related strains.

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