article_snippet.sent: One person became sick in Arizona, five in Kansas, one in Oklahoma and three in Texas, the CDC the CDC said.
article_snippet.sent: People first became sick in January 2010, the CDC the CDC said.
article_snippet.sent: the CDC connected patients from 2010-2015 to the current outbreak through comparisons to a database of bacteria DNA.
article_snippet.sent: The origin of the strain is still unknown, but "the fact that the strain was the same strain over the last five years suggests the CDC could have lurked somewhere in the factory the whole time," said Tauxe.
article_snippet.sent: The "rough estimate" is one more case exists for every case the CDC the CDC hears about, Tauxe said.
article_snippet.sent: There may be cases that never got diagnosed and we are looking at the patterns, the DNA patterns, to guide us to which cases might be related," Tauxe said.
article_snippet.sent: All five of the people who got sick in Kansas were patients being treated at the same hospital for unrelated causes, state health officials said.
highlights_snippet.sent: NEW This is a multistate outbreak "occurring over several years," the CDC says .
  