Some viruses can play a deadly game of hide and seek inside the human body. Ebola is one of the nasty viruses 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 far less well-known and can have devastating implications.
The human body holds several effective hiding spots that some of the world's nastiest viruses have discovered, such as the eyes and the testes, that are beyond the reach of the immune system.
It's here that submicroscopic viral RNA can safely linger. Often the human hosts have no idea.
They'd fallen ill, then appeared to beat the virus. But that hidden virus is capable of springing back into action, it can emerge from hiding — either sickening the original host or slipping into semen or breast milk and infecting someone new.
Author's summary: Viruses play a deadly game of hide and seek inside the human body.