A nurse working with postpoliomyelitis patients knows that most of the patients:
1. had the initial infection in the 1940s and 1950s.
2. have muscle involvement only in muscle groups that were affected initially.
3. have few symptoms other than mild muscle and joint weakness and pain.
4. had a recurrence due to receiving an oral polio vaccine booster.
Correct Answer: 1
Postpoliomyelitis syndrome is a complication of a previous infection by the poliomyelitis virus. Polio was an epidemic in the 1940s and 1950s but has largely been eradicated through immunization with oral live trivalent virus vaccine. It is estimated that nearly 25% to 50% of the estimated 440,000 people in the United States who had contracted the disease are reexperiencing acute manifestations. Manifestations involve muscles that were initially infected as well as new muscle groups. The manifestations include progressive muscle weakness, fatigue, and pain, leading to muscle atrophy and scoliosis. The cause of this syndrome is unknown.
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