I recommend visiting a doctor
for thorough evaluation. Polio is a viral infection that can attack nerves which may affect the spinal cord causing muscle weakness and paralysis. The virus usually enters the environment in the feces of someone who is infected and spreads through the fecal-oral route via contaminated water or food. Once infected, the symptoms generally appear 6 to 20 days with a range of 3 to 35 days. Complications include muscular weakness and bone shrinkage in the legs causing permanent physical disability in the affected nerve distribution. A person affected with polio can have an active sex life and is able to have normal healthy children. Polio is not a hereditary or genetic disease. It is a disease contracted from a polo virus that he survives, not one that he carries for life and then passes on to his children. It may leave residual damage, which cannot be repaired, but he no longer has the actual disease to infect other people. The virus usually persists in the throat for approximately one week after the onset of illness
and is excreted in the feces for three to six weeks. In most people, post-polio syndrome (an average of 30 to 40 years after the initial polio illness) tends to progress slowly but is rarely life-threatening. Its common signs and symptoms include progressive muscle and joint weakness and pain, muscle atrophy, and general fatigue and exhaustion with minimal activity, etc. There are other medical conditions with symptoms that resemble to those of polio. I suggest that you talk to him to schedule an appointment with his doctor for a thorough evaluation of his condition to arrive a confirmed diagnosis.