On a hot summer afternoon, few things feel as certain as a slice of watermelon.

In fact, it is often seen as the safest of seasonal comforts. But there's a question around it: Can watermelon make you sick?

The answer, research suggests, lies in what happens before the fruit reaches our plate.

The myth of the “dangerous” watermelon

Watermelon has long been caught in a cycle of suspicion. 

From whispered concerns about “chemicals” to fears of contamination, the fruit is often blamed when digestive illnesses peak in summer.

But food safety experts consistently point to a simpler truth: watermelon, by itself, is not inherently harmful.

According to the World Health Organisation, foodborne illnesses linked to fresh produce rarely originate from the fruit alone. Instead, contamination can occur at multiple stages, during cultivation, transport, storage, or preparation.

In other words, the risk is real. The cause is often misunderstood.

What actually goes wrong

Watermelon’s structure makes it particularly vulnerable because it is handled in ways that allow bacteria to thrive.

The outer rind, for instance, grows close to the soil. This means it can carry microbes such as Salmonella or E. coli. When a knife cuts through an unwashed rind, it can drag these bacteria into the flesh.

The US Food and Drug Administration highlights this as a key pathway for contamination in melons. The........

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