Editorial: COVID-19 Vaccines Safety Tracking (CoVaST): Part I - Miloslav Klugar; Miloslav Klugar; Sameh Attia; Giordano Pérez-Gaxiola; Tina Poklepović Peričić; Janja Marc; Janja Marc; Abanoub Riad; Abanoub Riad (Frontiers Media S.A., 2023)