Back in February I bought a Toshiba laptop that came with a trial of Microsoft Office. After the trial period, I purchased the student 2013 product key from Sams Club.he factory would create a âRecovery Partitionâ that you could use to âreset the computer to factory freshâ. It would typically include all of the factory âcrapwareâ and it would wipe out all of your data files and installed applications.
But it was a scientist by the name of Dr Jonas Salk who, with the help of his colleagues at University of Pittsburgh Medical School, discovered the polio vaccine itself. Dr Jonas Salk was the son of Orthodox Polish-Jewish immigrants and was born in New York in 1914.
1 Immunization. 2  The inactivated polio vaccine (IPV) used today in the United States stimulates the immune system to produce antibodies that fight the polio virus if a person comes in contact with it. 3  Dr. Jonas Salk developed the first IPV in 1955, and an enhanced-potency version came about in 1988. Other parts of the world use an oral polio vaccine (OPV) that was first developed by Dr. Albert Sabin in 1961. 2  OPV is based on a live, but weakened, form of the virus.