Do Vaccines Prevent Disease or Infection?

What kind of question is that?

Do you avoid vaccinating your kids because you believe in the sanctity of human blood?!?

It sounds like something from one of those folks who say that vaccination is not immunization, doesn’t it?

“A remark in passing: it has become cliché to say that vaccines prevent only disease, not infection.”

Stanley A. Plotkin on Correlates of Vaccine-Induced Immunity

Oh, it’s one of those kinds of questions

“Although that may be often the case, it is not a general truth. If the presence of antibodies is sufficient to prevent colonization of mucosal surfaces, vaccines can produce “sterile” immunity. Vaccines against polio, measles, rubella, Hib, pneumococcus, meningococcus, and probably human papillomavirus are all capable of preventing infection as well as disease.”

Stanley A. Plotkin on Correlates of Vaccine-Induced Immunity

The bottom line, whether they are preventing disease or infection, vaccines work to keep you from getting sick.

But just so you know, since talking about vaccines preventing disease vs infection is a thing, many vaccines do both.

More on Vaccines that Prevent Disease and Infection

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