
Italian Press
https://video.sky.it/news/cronaca/video/napoli-brevetto-vaccino-batterico-669528
https://www.fanpage.it/napoli/covid-domanda-di-brevetto-per-vaccino-orale-da-federico-ii-di-napoli/
With youtube video: https://www.youtube.com/watch?v=SS5Y9pFCMyI