Iron lung, St Bartholomew's Hospital, London: a patient inside a Drinker respirator, attended to by a nurse and a doctor. Photograph, ca 1930.  Creative Commons Attribution (CC BY 4.0) Valorie: While listening to the news about recent controversy concerning vaccines, I thought of my uncle, who died a few years back. When I was young, he was infected with polio. According to my cousin, doctors have said he was actually infected twice, with two different polio strains. He was deathly ill for many months and in an "iron lung" for a while. Although he mostly recovered and was able to work, travel and have a wonderful long life, he was never free of polio even at the end of his life.  I asked my husband if he had ever known someone with polio, and he said that a kid in his neighborhood was infected and paralyzed. He eventually was able to walk wearing braces. This was  frighteningly  common until the polio vaccines were finally available after thorough testing. It was co...