News Looking for a COVID-19 vaccine? This website may text you when a vaccine is about to go unused. March 9, 2021Ryan W. Miller, USA TODAYComments Off on Looking for a COVID-19 vaccine? This website may text you when a vaccine is about to go unused. More than half a million people have already signed up on Dr. B, which texts users when there are extra doses nearby in jeopardy of going unused.