plentiful supply of polio vaccine now seen in utah polio vaccine lor for utah is now in plentiful supply according to a report received from dr joseph T kesler of the US dept of health the priority age group has been enlarged to include all persons under 20 years of age und expectant mothers the serum also has been released for the third injection or booster shot for all eligible persons family physicians should be contacted ns as to who should receive the vaccine the health officials urged that all persons eligible under the he program should take advantage of it right away prior to the expiration date of the serum