Dr. Jon Hallberg live at the Minnesota State Fair

Dr. John Hallberg
Dr. John Hallberg of the University of Minnesota.
Caroline Yang for MPR News

Dr. Jon Hallberg is a regular contributor to All Things Considered on Tuesdays. This week he joined All Things Considered host Tom Crann for a special, hour-long segment live at the Minnesota State Fair.

They talked about Zika and other mosquito-borne illnesses, the almost eradicated Polio, the importance of immunizations and primary care, and other health topics. Dr. Jon Hallberg is an associate professor in the department of family medicine and community health at the University of Minnesota.

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