date:Jul 16, 2012
ials know that the number of outbreak strains is more likely six. This development came to light after a cantaloupe sample taken by the Colorado Department of Health from the home of a Colorado man sickened in the outbreak tested positive for four Listeria strains. Three of these five strains were known to be associated with the outbreak, but the last, sixth strain was not one connected to any other victims or samples. In fact, it didn't match any strains in Colorado's database.
As it turned o