Interferon (noun)

1. A type of protein produced by the body in response to viral infections or cancer, that helps to inhibit the replication of viruses and the growth of cancer cells.
2. A type of medication that is artificially produced to mimic the actions of naturally occurring interferons.

Origin:

From the latin word "inter" meaning "between" and "ferre" meaning "to carry".

Examples:

1. The patient was given interferon as part of their treatment for hepatitis C.
2. Interferon is a natural protein that helps to defend against viral infections.
3. Interferon therapy has been shown to be effective in treating certain types of cancer.
4. The researchers discovered that interferon can boost the immune system and inhibit the growth of tumors.
5. Interferon is a promising treatment for multiple sclerosis, but its side effects can be severe.