Fears of a polio resurgence in the US have health officials on high alert – a virologist explains the history of this dreaded disease
- Written by Rosemary Rochford, Professor of Immunology and Microbiology, University of Colorado Anschutz Medical Campus

Fears of polio gripped the U.S. in the mid-20th century. Parents were afraid to send their children to birthday parties, public pools or any place where children mingled. Children in wheelchairs served as a stark reminder...