@Zachary_BTC He is remarkably bad at PR...

Anyway, FWIW most vaccines are boring things, made in very low-tech and cheap ways. Eg most flu vaccines are just flu virus grown in eggs, with a few tricks like colder-than-body-temp temperatures used to make it easy for your body to fight off the infection: https://www.cdc.gov/flu/prevent/nasalspray.htm