(, Imjin March day), March 26, 1952 to bring the Gospel Salk polio. March


1952 26 2011
the Salk polio bring the Gospel
Salk in Pittsburgh laboratory work
1952 26, a kinds of vaccines against polio in 90 adults and children who test success.
vaccine cultivation of the University of Pittsburgh's Jonas - Salk Dr.. This vaccine is used to kill horrific maim germs. The test results show that the vaccine can be used to prevent the intrusion of all three polio germs.
Salk's report is published in the Journal of the American Medical Association. Salk's report said, the results of the experiment are encouraging. The experimental results and have not found one kind of very practical vaccine. Needs further experiments to prove the safety and efficacy of this vaccine.