Officials emphasize how important it is to register in advance Author: Alex Fees (KSDK) Updated: 10:25 PM CDT April 3, 2021 ST. LOUIS — COVID-19 mass vaccination events like the one at Bernard Middle School, in Mehlville Saturday morning and or the one at South Technical High School in Special School District have become familiar as the way we arm ourselves against coronavirus. Missouri State Representative Jim Murphy organized the Mehlville event. “We’re using Johnson & Johnson: one shot,” said Murphy. Paris Forest is one of the 1,400 people who signed up for that vaccination. “You pretty much get your shot," she said. "Then you wait 15 minutes.”