How Eggs Can Harbor Salmonella, Even When They Look Perfectly Clean

How do eggs get Salmonella? This bacteria poses a real threat to many eggs, but can easily be killed by cooking at a high heat.

At first glance, a clean, unbroken egg seems rather harmless, but a smooth shell can hide some prickly foes.

In August 2025, the Centers for Disease Control and Prevention (CDC) issued a multistate recall of brown eggs after nearly 100 people fell ill, 18 of whom were hospitalized with high-grade fevers, severe diarrhea, and a host of other ailments.

The culprit: a particularly persistent foodborne bacterium known as Salmonella Enteritidis. The microbe thrives in animal guts and raw meat, opportunistically scavenging on any nutrients it comes across and multiplies rapidly.

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