On Thursday, exactly a year later, Murphy received his COVID-19 vaccination. "It's funny looking back on how little we knew," Murphy, a second-grade teacher at Nitrauer Elementary School, said Thursday after getting his one-shot Johnson & Johnson vaccine at the Lancaster-Lebanon Intermediate Unit 13 headquarters in Lancaster. It kicked off the first round of a massive effort to administer vaccines to teachers and staff from Lancaster County public and private schools. The IU13, one of 29 intermediate units across the state, is serving as a host site in collaboration with the Pennsylvania National Guard. IU13 expects to receive about 5,400 vaccine doses in the first round of inoculations, which prioritizes teachers and staff â bus drivers, cafeteria staff, janitors and others â serving students in prekindergarten through sixth grade and at-risk student populations. The second round, for the rest of teachers and staff, is expected to take place at the end of March or early April.