Overcrowded pig factory farms ( Concentrated Animal Feeding Operations ) create the perfect reservoir for pathogens to replicate and mutate, creating new and more deadly strains. Once a new pathogen emerges, it is spread by farm workers and the transport of livestock. From Grist.org: "In an interview with Science Magazine, the CDC’s chief virologist, Ruben Donis’ essentially confirmed the reading of the current swine flu strain made by New Scientist : that it evolved from a strain... read more
