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
Chris Sabin Chris Sabin Joshua Harter (born February 4, 1982) better known by his ring name Chris Sabin, is an American professional wrestler. He is best known for his work in Total Nonstop Action Wrestling (TNA) and currently works most notably for Ring of Honor (ROH). After being trained by Scott D'Amore, Sabin debuted in 2000 for Border City Wrestling, and quickly began competing for numerous other independent promotions. In 2003, Sabin joined TNA, and quickly won the TNA X Division Championship, which he later unified with the WWA International Cruiserweight Championship. In 2004, he also wrestled for Ring of Honor. In