Jonas Salk, M.D. – Academy of Achievement
“We were told in one lecture that it was possible to immunize against diphtheria and tetanus by the use of chemically-treated toxins, or toxoids. And the following lecture, we were told that for immunization against a virus disease, you have to experience the infection, and that you could not induce…
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Automated post from Polio Survivors Rotarian Action Group (RAG) – https://ift.tt/2cY37pC
October 29, 2018 at 05:59AM
