Viruses have been with the human race as far back as 400 BC or even earlier. Inoculations can go back to the 1100s. It has been established that inoculations of a proven, tested and trusted vaccine do work to prevent serious diseases.
Over many years in the past, diseases such as small pox, cholera, yellow fever, diphtheria, rabies, typhoid fever, polio, measles, mumps, rubella and many others have been prevented by the “proven, tested and trusted” vaccines.
This data on vaccines that is available can be researched on your own. Your investigation should give you some basic education as to your consideration to vaccinate as a general health benefit or not.