Ancient and traditional way of Immunization for Small pox was practiced in India, which was Documented by Dr John Howell in his book "AN ACCOUNT OF THE MANNER OF INNACULATIONG FOR SMALL POX IN THE EAST INDIES"
Credits: Second pic from Heritage first
@ANI In the year 2016 Group of Ayurveda Vaidyas performed surgery on 83yr old patient without using Antibiotics both in pre and post op, all Allopathy doctors must take a look at it