Why the study?
Does consumption of contaminated frozen strawberries increase the risk of hepatitis A infection in exposed populations?
Population
1,528 individuals, comprising 827 students and 60 teachers at an elementary school in Georgia, and 174…
Comparison
Consumption of frozen strawberries. vs Non-consumption of the implicated frozen…
Design
Cohort
Follow-up
2 to 3 weeks
Authors
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Suggests traceback of frozen strawberries in institutional HAV outbreaks; leaves open role of pre-retail contamination in multistate events.
Does consumption of contaminated frozen strawberries increase the risk of hepatitis A infection in exposed populations?
Contamination of frozen strawberries before retail distribution was identified as the source of a multistate hepatitis A outbreak, highlighting the need to consider pre-retail contamination in common-source outbreaks.
Niu et al. (1992) studied this question.
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