Slow deterioration of muscle function occurring over many years occurs ina) minor poliob) postpolio syndromec) leprosyd) west nile encephalitise) african sleeping sickness

The correct option is: B) postpolio syndrome

Explanation:

Post-polio syndrome are the latent symptoms of polio. It is a viral infection of the nervous system, that occurs after 15- 30 years of the initial acute paralytic attack. The main symptoms of the post-polio syndrome include weakness, fatigue and pain in the limbs and a slow decrease in the muscular functions.

Therefore, postpolio syndrome involves the slow deterioration of muscular functions over the years.

i believe the answer would be 'd'.

hope this !