Our findings show that sex can generate phenotypic and genotypic diversity de novo in the pathogenic yeast C. neoformans with implications for other eukaryotic microbes and pathogens, including other fungi and parasites that are common pathogens of humans. (journals.plos.org)
S. aureus was the most common pathogen, causing 28 percent of bloodstream infections, closely followed by E. coli, which was found in 24 percent of patients with infections. (sciencedaily.com)
The «old friends hypothesis» proposes that the human immune system can not learn to regulate itself without exposure to common pathogens like helminths that have coevolved with people and that modern hygienic practices deprive people of this necessary exposure, possibly explaining the relatively higher and more recent prevalence of immune diseases in industrialized countries like the U.S. Loke plans to continue researching helminthic therapy in people and in monkeys. (scientificamerican.com)