Here is some work looking at a possible connection between contact with bovine viruses and colorectal cancer. I wonder how many of human cancers are caused by v

Here is some work looking at a possible connection between contact with bovine viruses and colorectal cancer. I wonder how many of human cancers are caused by viruses. https://www.ncbi.nlm.nih.gov/pubmed/22212999 https://www.ncbi.nlm.nih.gov/pubmed/22212999