variolation

• 一种古老的医学方法，将天花患者疱疹中的物质接种给易感者，以诱发轻微感染从而获得对天花的免疫力。

An obsolete medical procedure involving the inoculation of a susceptible person with material taken from a smallpox vesicle, used historically to induce immunity.

不可数

1. Historical smallpox inoculationC2formalmedical

   The obsolete practice of deliberately infecting a person with material from a smallpox pustule to induce a mild form of the disease and provide immunity.

   人痘接种

   • Variolation was a common practice in Asia and Africa before the development of vaccination.
   • Lady Mary Wortley Montagu introduced variolation to England in the 18th century.
   • Unlike modern vaccination, variolation carried a risk of causing a severe case of smallpox.

   同义词inoculationvariolization