Investigators: State says expired vaccines not dangerous but still investigating whether any were given Investigators: Growing concerns surrounding expired vaccines By Jessica Jaglois | March 2, 2021 at 5:38 PM CST - Updated March 2 at 6:37 PM MEMPHIS, Tenn. (WMC) - Since news broke that the state is investigating whether expired doses were administered, calls and emails have flooded into WMC Action News 5. One of those concerned Memphis residents is Bernard Williams. He received his first COVID-19 vaccine dose at the Pipkin building in January. âIâm very concerned. Iâm 82 years old and I want to be here a little longer,â he said. Williams became concerned after seeing the lot number from his vaccination card on the news.