Editing Escherichia coli (section)

=== Incubation period ===
The time between ingesting the STEC bacteria and feeling sick is called the "incubation period". The incubation period is usually 3–4 days after the exposure, but may be as short as 1 day or as long as 10 days. The symptoms often begin slowly with mild belly pain or non-bloody diarrhea that worsens over several days. HUS, if it occurs, develops an average 7 days after the first symptoms, when the diarrhea is improving.<ref>{{Cite web|url=https://www.cdc.gov/ecoli/general/|title=General Information{{!}} ''E.coli'' |publisher=U.S. Centers for Disease Control and Prevention|access-date=19 April 2017}}</ref>