Except for the basis that it's been used to extend our life expectancy by 30 years since it's advent?
"Vaccines dramatically reduced the incidence of infectious diseases that historically killed hundreds of millions, and made a substantial contribution to life expectancy that during the last century in developed countries increased from ∼47–80 y (4)"
Except for the basis that it's been used to extend our life expectancy by 30 years since it's advent?
"Vaccines dramatically reduced the incidence of infectious diseases that historically killed hundreds of millions, and made a substantial contribution to life expectancy that during the last century in developed countries increased from ∼47–80 y (4)"
Plumbing has indeed made drinking water less cholera infested. But just because ones good doesn't mean the other isn't?