Healthy adequate diet and sanitation reduced all "vaccine preventable disease" just prior to vaccine treatment became a thing. When you look at the charts of when each vaccine was introduced they leave out the part prior to the introduction which shows the real reduction of the disease.
Healthy adequate diet and sanitation reduced all "vaccine preventable disease" just prior to vaccine treatment became a thing. When you look at the charts of when each vaccine was introduced they leave out the part prior to the introduction which shows the real reduction of the disease.
Exactly, Stolen Valor.
caveat : Polio. You may want to look up Paris Green