Some viruses can play a deadly game of hide and seek inside the human body

Viruses: A Deadly Game of Hide and Seek

Some viruses can play a deadly game of hide and seek inside the human body. Ebola is one example of a virus that can hide in the body even after a patient recovers and tests negative.

Viruses are tiny and sneaky, always looking for ways to infect humans. Their ability to hide is less well-known, but can have devastating implications. The human body has several hiding spots, such as the eyes and testes, that are beyond the reach of the immune system.

Submicroscopic viral RNA can safely linger in these areas, often without the human host's knowledge. After falling ill and appearing to beat the virus, the hidden virus can spring back into action, either sickening the original host or infecting someone new through semen or breast milk.

They're always looking for ways to infect humans.

The ability of viruses to hide and reemerge can trigger new outbreaks years later, making them a significant threat to human health.

Author's summary: Viruses can hide in the human body and reemerge later.

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KPBS KPBS — 2025-10-24

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