MRNA - https://www.zmescience.com/medicine/how-mrna-vaccines-from-pfizer-and-moderna-work-why-theyre-a-breakthrough-and-why-they-need-to-be-kept-so-cold/ https://time.com/5927342/mrna-covid-vaccine

mRNA vaccines — a new era in vaccinology - https://www.nature.com/articles/nrd.2017.243

The types of vaccines that help our society gain the upper hand against disease - https://www.zmescience.com/medicine/the-types-of-vaccines-that-help-our-society-gain-the-upper-hand-against-disease/

Vaccines save us from diseases, then cause us to forget the diseases from which they save us. - https://www.nationalgeographic.com/culture/article/cannot-forget-world-before-vaccines