Key result
Semidried tomato consumption is linked to ~200% higher odds of hepatitis A illness.
Why the study?
A large multistate hepatitis A outbreak in Australia in 2009 was linked to a widely distributed food product, but the specific source was uncertain.
Does consumption of semidried tomatoes increase the risk of hepatitis A infection?
Population
Individuals affected by hepatitis A outbreak in several Australian states in 2009
Comparison
Consumption of semidried tomatoes vs non-consumption
Design
Two case-control studies with product trace-back and genotyping
Authors
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May warrant consideration during hepatitis A outbreak tracing; leaves open whether the association extends beyond this 2009 Australian setting.
Case-Control
Yes
Does consumption of semidried tomatoes increase the risk of hepatitis A infection?
Odds Ratio: 3 (95% CI 1.4–6.7)
Semidried tomatoes were identified as a novel vehicle responsible for a large, multistate outbreak of hepatitis A in Australia in 2009.
Donnan et al. (2012) conducted a case-control in Hepatitis A. Consumption of semidried tomatoes vs. Non-consumption was evaluated on Hepatitis A illness (OR 3.0, 95% CI 1.4-6.7). Consumption of semidried tomatoes was significantly associated with hepatitis A illness during a multistate Australian outbreak (OR 3.0; 95% CI 1.4-6.7).
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