https://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.htm&r=3142&f=G&l=50&d=PTXT&p=63&S1=20210615&OS=20210615&RS=20210615
Pfizer And BioNTech Begin Phase 1/2 Trial Of First-In-Class mRNA-Based Shingles Vaccine Program
https://investors.biontech.de/de/news-releases/news-release-details/pfizer-und-biontech-beginnen-phase-12-studie-mit-erstem-mrna