inventor of pollo vaccine??
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The inventor of polio vaccine is Jonas Salk.
Kumar321hemant:
yahh
answer is jonas salk
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Polio used to be common in the United States. Before the polio vaccine, the disease killed thousands of people every year. Thanks to the polio vaccine, there hasn’t been a new case of polio in the United States in over 35 years.
Getting vaccinated is the best way to prevent polio.
Getting vaccinated is the best way to prevent polio.
i have asked the name of inventor
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