As another layperson, there seem to be links between virus and diseases that are at face value completely unrelated, HPV and cancer, Epstein-Barr and MS, H. Zoo

As another layperson, there seem to be links between virus and diseases that are at face value completely unrelated, HPV and cancer, Epstein-Barr and MS, H. Zooster and Alzheimer. Makes you wonder how many more diseases we will eventually find out are actually triggered by viral infection.