Why You Should Steer Clear Of Lemon Slices At Any Buffet - Tasting Table
Briefly

A large percentage of lemon slices served at buffets are potentially riddled with harmful microbes, including E. coli and Norovirus, often due to poor handling practices.
Contaminants from bodily secretions and fecal matter can end up on lemons as they're frequently handled by many people and lack proper sanitation protocols.
To ensure safety at buffets, it's advisable to forgo lemon wedges or request freshly cut slices from the kitchen to avoid exposure to harmful pathogens.
Many people utilize the same cutting tools for different foods, contributing to cross-contamination that makes lemon wedges a risk at buffet tables.
Read at Tasting Table
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