Nation-wide Tests U Polio Lab Works on Vaccine By Ann Jensen For approximately per person tests can now be made upon blood samples taken from a person receiving polio Discovery of this test is contributed in part to research by the University of Utah medical The University Polio Lab is participating in the nation-wide test of a vaccine for the prevention of infantile The lab is now testing blood samples from children in Wyoming and according to Louis P. professor and head of the department of In Utah alone second and third graders who participated in this study were bled for test In the entire United States children in the six to nine year age group were given the series of three vaccine The polio developed by Sulk at the University of on which some of the verus typing background work was done by the was tested for the first time during May and Before the inoculations blood were taken from the children to determine if they had a sub-clinical infection polio prior to this It has been found that only 2 of these children in this age group have built a resistance to whereas 75 to 30 of all adults are immune to this This is the most susceptible age group for Gebhardt Two weeks after the third injection a second sample was at this time the immunity should have been at its During last 1954 five months after the serum was another blood sample was At that time the samples taken should have shown if the immunity was The developer of the vaccine feels the immunity should last for a or even for Gebhardt The three blood samples per person were taken to laboratories at different points across the In the United States only 25 or 26 labs are equipped to conduct these The University's Polio Lab has been given to carry out these tests by the National Foundation for Infantile Paralysis which is supported by the March of The test now used was invented by Enders of Harvard for which he received the Nobel Five years before his an individual test on the three blood samples taken would have had to be conducted on 50 monkeys at or per Of course it would be impossible to secure monkeys for the test that are now being even if the cost were not So the inoculations would be of little use if it were impossible to determine its explained as a result of Enders' an individual test can be done for the price of about per By May the National Foundation hopes to release the results of this first vaccine for infantile