How do you appreciate Edward Jenner's experiments?

Contribution of Edward Jenner is remarkable. Experiments of Edward Jenner led to the discovery of vaccines.

He was the first one to give the concept of vaccination and as we know due to vaccination only we are protected from many diseases.

Also at the time of discovery of vaccination by Edward Jenner, this was a great discovery because at that time many people were suffering from small pox and his discovery saved the lives of many people.

So, Edward Jenner’s experiments are highly appreciable because due to his experiments only vaccination was introduced which is only cure for many diseases.