Dr McKinney talks to Robin Walsh on the risk of a polio epidemic and how vaccinations protect us: However many children are still not immunised which Dr McKinney finds hard to understand.  

Polio was a major cause of death in children in the early to mid-20th century. In the 1950s, outbreaks of the disease killed or paralysed millions of children and adults. By the time of this film, two vaccines had been created. One was administered by injection but the other, developed by Albert Sabin, was orally ingested via a sugar cube

An Ulster Television Production.

• Broadcasting Authority Ireland