variolation

1. Abstract: smallpox inoculation or variolation is a great invention of medicine in ancient china.
   文摘：人痘接种预防天花是中国古代医学家的伟大发明。
2. Spread of Chinese variolation art to the western world and its influence
   中国人痘接种术向西方的传播及影响
3. Variolation, Pioneer of Modern Immunology
   中国的人痘接种术是现代免疫学的先驱

noun

1. the obsolete process of inoculating a susceptible person with material taken from a vesicle of a person who has smallpox

   Synonym:    variolization