Hot on the Trail: The Jalapeño Mystery:
How did a batch of peppers turn a summer menu into a nationwide outbreak?
When a sudden outbreak surges across dozens of states, outbreak investigators must harness genomic tools to uncover how the stealthy Salmonella Javiana bacterium hitched a ride inside imported jalapeños to bypass standard food safety defenses.
In this case study, outbreak investigators step into the roles of public health sleuths to investigate the 2026 multistate Salmonella Javiana outbreak linked to imported jalapeños.
By tracking the outbreak's initial emergence and emergency response efforts (MO 1.1), outbreak investigators will analyze how complex social, environmental, and economic supply chain dynamics fuel disease reemergence (MO 1.2). Through critical evaluation of risk communication and surveillance systems (MO 1.3), computational bioinformatics exercises analyzing data (MO 1.4), and interdisciplinary group problem-solving (MO 1.5), learners will gain a holistic, real-world understanding of modern outbreak investigation and containment.
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