Crossing state lines for COVID-19 vaccines Crossing the line for COVID-19 vaccines By Kelly Roberts | February 11, 2021 at 9:11 PM CST - Updated February 11 at 10:09 PM MEMPHIS, Tenn. (WMC) - State and local health department leaders said some vaccine hunters are making sure they get shots by crossing county and sometimes state lines for faster service. While there’s nothing stopping people from doing that, health officials said it’s not the best idea. “These vaccines are not constrained by county lines or by state lines,” said Dr. Lisa Piercey, Tennessee Health Commissioner. “There is no prohibition on that.” More: The virus knows no boundaries and neither do vaccines but Tennessee’s top doctor Piercey said now is not the time to think outside of the box when it comes to scheduling your shot.