Who was the first person edward Jenner injected with his new vaccination?

On May 14, 1796, Jenner injected a "healthy" patient, an eight year old boy named James Phipps, with the cowpox virus. Later, he deliberately injected the boy with the smallpox virus. The patient did not succumb to smallpox, even after repeated injections. Jenner "treated" a total of thirteen patients using cowpox as a vaccine.