first polio vaccine

first polio vaccine Essay Examples

You need
papers?
exclusive work here

1 total results

A Biography of Jonas Salk, the Developer of the First Polio Vaccine (371 words, 1 pages)
Jonas Salk developed the first polio vaccine. As a student, Salk became interested in vaccines. At the time it had been believed that bacterial vaccines could be made from a preparation of dead bacteria, which would immunize without inducing an infection. But scientists believed that a live vaccine had to ... Read More
15%OFF!
Please use Discount code:
15OFFJUST4U
Use now
It's a lifetime discount time!
15% off
Save this discount code:
15OFFJUST4U