https://investors.biontech.de/de/news-releases/news-release-details/pfizer-und-biontech-beginnen-phase-12-studie-mit-erstem-mrna
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