'Infectious web'

Genomic and proteomic databases for Escherichia coli, as well as informatio n on pathogenic strains of E. coli, are discussed in web-sites devoted to t hese bacteria. Yellow lever still represents a major health problem in unde rdeveloped countries, and vaccination and surveillance protocols are now av ailable online, Finally, a number of web-sites on Ebola and Marburg viruses deal with general as well as scientific aspects of these emerging pathogen s.