<figure><img src="https://assets.bwbx.io/images/users/iqjWHBFdfxIU/ioAadBqy7c5w/v4/-1x-1.jpg"><figcaption><div><p>Source: Bloomberg, 06:54</p></div><div></div></figcaption></figure><p>Dr. John Swartzberg, Clinical Professor Emeritus of Infectious Diseases and Vaccinology at UC Berkeley&apos;s School of Public Health discusses the re-emergence of polio virus. He speaks to Bloomberg&apos;s David Westin.</p>

Dr. John Swartzberg, Clinical Professor Emeritus of Infectious Diseases and Vaccinology at UC Berkeley's School of Public Health discusses the re-emergence of polio virus. He speaks to Bloomberg's David Westin.

Balance of Power: Why is Polio Making a Comeback? (Radio)

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