Most colleges have a limit on the number of college credits a student can carry (or study) in one semester. The limit is usually between 17-22 credit hours a semester. It would probably take most students at least two semesters to complete 28 credit hours, or one academic year. 6 people found this useful.
Polio, also known as poliomyelitis and infantile paralysis, is a highly contagious viral infection that can lead to paralysis, breathing problems, or even death. Polio can be classified as occurring with or without symptoms. About 95 percent of all cases are asymptomatic, and between 4 and 8 percent of cases are symptomatic.
Post-polio syndrome (PPS) is a condition that affects polio survivors years after recovery from an initial acute attack of the poliomyelitis virus. Most often, polio survivors start to experience gradual new weakening in muscles that were previously affected by the polio infection.