Volume 11, Number 7—July 2005
Dispatch
Household Transmission of Gastroenteritis
Figure 2

Figure 2. . Hazard of secondary gastroenteritis by age group. Cumulative hazard, the cumulative proportion of contacts classified as secondary cases. Household risk periods, defined as ending when all members had been symptom-free for ≥96 hours, lasted a median of 9 days (interquartile range 7–13).
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