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 crippling and potentially fatal infectious disease. There is no cure, but there are safe and effective vaccines. Therefore, the strategy to eradicate polio is based on preventing infection by immunizing every child to stop transmission and ultimately make the world polio free.In 1988, the World Health Assembly adopted a resolution for the worldwide eradication of polio.here is no cure, but there are safe and effective vaccines. Therefore, the strategy to eradicate polio is based on preventing infection by immunizing every child to stop transmission and ultimately make the world polio free. In 1988, the World Health Assembly adopted a resolution for the worldwide eradication of polio.