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Since the 1790s, when the English physician Edward Jenner coined the term vaccination (from the Latin vacca for cow) to refer to the use of cowpox to inoculate against smallpox, all subsequent vaccines have relied on the same fundamental principle: antigen specificity. That is, the vaccine mimics a distinctive component of the pathogen — the spike proteins that cover SARS-CoV-2, for example — to prepare the immune system to recognize and react quickly to the real pathogen.
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而原定于今年3月第一周揭晓的普利兹克建筑奖将推迟公布，这也打破了40余年的惯例。组织方尚未公布新的揭晓时间。原因同样受爱泼斯坦丑闻影响：普利兹克家族核心成员、凯悦基金会主席托马斯·普利兹克正是前者私人别墅的常客。
As the U.S. and other governments sought to rein in Iran’s nuclear program by sanctioning oil and other areas of the economy, the IRGC used it as an opportunity to expand under the guise of “economic resistance” and “self-reliance,” according to Clingendael.