Viruses have often seen as deadly particles of mass destruction. However, what if their ability to infiltrate cellular structures could be used for good rather than for evil? It seems that scientist in the field of medical virology have begun to explore such an option. One of the first viruses to be used in such manner is an engineered herpes virus, capable of provoking an immune response against cancer. Since this discovery the Food and Drug Administration (FDA) has approved a genetically engineered virus known as talimonogene laherparepvec, or T-VEC for short. This cancer fighting virus, known as an oncolytic virus, is approved to treat patients suffering from melanoma, a skin based cancer. Since the 1800s physicians have taken note of cancer
