Registration Process The Puerto Rico National Guard started operations at the Bayamón regional vaccination center at the Rubén Rodríguez Coliseum in San Juan, Jan. 7, 2021. This center will serve health professionals of the municipalities from Bayamón, Cataño, Toa Baja, Dorado, Vega Alta, Corozal, Orocovis, Barranquitas, Comerío, and Toa Alta on different days of the week. The vaccination process starts with registration at 7 a.m., from Monday through Saturday. On Saturdays, doctors and dentists will be vaccinated. SHARE: Download: Full Size (1.46 MB) Tags: coronavirus, warp speed, ows, covid19vaccine Credit: Army Sgt. Alexis Velez VIRIN: 210107-Z-HW727-158.JPG Photo Gallery