Verbal Ability :: Comprehension
Today perhaps the word 'polio' reminds you only the Sabin Oral Vaccine that protects children from this fatal disease. The scenario was different around fifty-five years ago. Polio mainly affects the brain and spinal cord and causes stiffening and weakening of muscles, crippling and paralysis. This is the reason why Rex is in a wheelchair today. When he was born, no one would have predicted that he would suffer from polio. He was the sixth child in a family of three pairs of brothers and sisters, with a huge 20 year age gap between the first and last. Although he was healthy at the time of birth, he was affected by polio.
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As per the passage, what the word 'polio' reminds?
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Rex was the sixth child in a family of