| AE-VTEC O157:H7 | Agg-VTEC O104:H4 |
---|---|---|
Incidence of sporadic cases | Third bacterial cause of diarrhoea in developed countries | Extremely rarely reported |
Outbreaks | Frequent (from a few to > 6000 cases) | One outbreak (almost 4000 cases) |
Age distribution | Young children (elderly) | Middle aged adults |
Gender distribution | Equal | Predominance of female |
Incubation | 1 to 9 days (average 3-5 days) | 8 days (interquartile range 7 to 9 days) |
Progression to HUS | 7-10% | > 20% |
Mortality | 0.5% | 1.4% |