They changed to inactivated to lower the risk of shedding polio virus after the live vaccine.
In 1955, a vaccine was developed that used weakened forms of the virus. This vaccine and the subsequent Sabin vaccine nearly wiped out polio in the world
Albert Sabin invented the oral live attenuated virus vaccine.
The vaccine is given through mouth because it is a live attenuated virus vaccine.
Poliomyelitis is the origanil name. polio is a viruse that is in the humman throught. and the first vaccine was introduced in 1955.
It can be given orally or as an injection.
Poliomyelitis Vaccine. I don't think they're are any other names to it than that and the "Polio Vaccine" It can be done by OPV (Oral Polio Vaccine) or through inoculation (Dead Polio Virus is injected into your body). This immunization is known to have side effects.
In pulse polio programme, polio vaccine is given to all the children below the age of 5 years irrespective of there vaccination schedule, all at a time. This will reduce the burden of polio virus in society drastically.
because that vaccine contains alive polio virus which caused polio in healthy people therefore america banned it and sell it in asia fpr frewe among muslims
Salk & SabinThe Salk vaccine was the first and is a traditional killed virus vaccine administered by injection.The Sabin vaccine is an attenuated live virus vaccine usually administered as a drop of liquid placed on a sugar cube and taken by mouth.
The first ever polio vaccine was developed by Dr Jonas Salk at the University of Pittsburgh in the early 1950s. It was a killed vaccine that was tested in clinical trials in 1954 and ultimately gained government approval by 1955 for use on the common public. There is also another polio vaccine that was developed by Dr Albert Sabin. This vaccine was a live version of the polio virus and is taken orally. It was approved for use in the general public in 1963. == == == == == == == ==
Jonas Salk at the University of Pittsburgh.