Polio vaccine poliomyelitis per million doses given. This compares with 5,000 cases per million who are paralysed following a polio infection. Both are generally safe to give during pregnancy and in those who have HIV/AIDS but are otherwise well. The first polio vaccine was the inactivated polio vaccine. It was developed by Jonas Salk and came into use in 1955. The oral polio vaccine was developed by Albert Sabin and came into commercial use in 1961. They are on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system. The wholesale cost in
Salk Hall include the construction of an research tower in the parking area behind the existing building by Ballinger Architects with associates DRS Architects. The new tower is planned to house laboratories and support spaces relocated from their current home in Salk Hall in order to free up space for additional classrooms and offices in the original structure. The target completion date is July, 2014. A dental museum is housed in the first floor reception area of Salk Hall. The museum contains a variety of original dental artifacts, including a c. 1910 dental chair, and x-ray machine and instrument cabinet from the