Jonas Salk: Reply when questioned on the safety of the polio vaccine he developed: It is safe, and y


	Jonas Salk Humor Messages Jonas Salk Reply when questioned on the safety of the polio vaccine he developed: It is safe, and you can't get safer than safe. Jonas Salk BestQuotes4Ever.com Reply when questioned on the safety of the polio vaccine he developed: It is safe, and you can't get safer than safe. Humor, Funny, Safe, Health, Biology 4075

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