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.
Polio is a highly contagious illness that can spread easily from person to person. In fact, when a person is infected with polio, it is expected that polio transmission among susceptible household contacts will occur in nearly 100 percent of children and over 90 percent of adults.Polio is also known as: 1  Poliomyelitis.hen a person is infected with poliovirus, the virus resides in the intestinal tract and mucus in the nose and throat. Poliovirus transmission most often occurs through contact with stool of this infected person (known as fecal-oral transmission).