latent virus might mutate to form a strain that causes cancer. Certainly the experimental evidence now available is consistent with the idea that viruses as we know them today could be the causative agents of most, if not all cancer, including cancer in man. What is the passage mainly about...
When one starts to think about it, one finds that synergism is everywhere. Thus, bacteria and viruses synergize in causing infection, other causes of diseases synergize, drugs synergize, etc. Here, I will comment only on two types (cases) of synergism. In the first case, causes of a ...