Washington: Scientists have identified a mechanism how some viruses protect themselves from the immune system’s efforts to stop infections.

This new finding could pave new ways to treating viral infections.

Viruses have well-known strategies for slipping past the immune system. These include faking or stealing a molecular identification badge that prevents a cell from recognizing a virus.

Scientists at Washington University School of Medicine in St. Louis and elsewhere have found some viruses have another trick. They can block the immune system protein that checks for the identification badge.

The blocking structure is called a stem-loop, found at the beginning of the virus’s genetic material.

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