There have been claims that variations in the composition of the intestinal flora influence individual health going back at least to the early years of the 1900s. Late in his career, Ilya Mechnikov, co-receipient of the Nobel Prize for Physiology or Medicine in 1908...
In the May 26 (2011) issue of Nature, Vijaykrishna et al. address patterns of evolution and transmission exhibited by swine influenza A viruses (SwIV) isolated from pigs beings slaughtered in Hong Kong between May 1998 and January 2010. Although the focus of the...