Studies Suggest Why Few Humans Catch the H5N1 Virus

AVIAN INFLUENZAThis week, two research groups are independently reporting results that help explain why the H5N1 avian influenza virus is so lethal to humans but so difficult to spread; one paper is appearing online this week in Science ([www.sciencemag.org/cgi/content/abstract/1125548][1]) and the other in Nature . ([Read more][2].) [1]: http://www.sciencemag.org/cgi/content/abstract/1125548 [2]: http://www.sciencemag.org/cgi/content/full/311/5768/1692b