Declaring the outbreak over

The epidemiologic curve for the case study, extended to September 3rd. Cases appear from June 28 through to July 19. A grey box covers the dates from August 3 to August 13, indicating the maximum incubation period for E.coli. Another grey box spans August 14 through to September 2, to reflect the 90th percentile in reporting delays for cases in this outbreak. Therefore, the outbreak can be declared over on September 2.