The US needs to act now before it’s too late. Widely available mRNA vaccines are highly effective against the SARS-Cov-2 virus. But, the Delta variant is spreading quickly, which means that America’s population immunity needs to be significantly higher. This instalment of Slow Boring argues that the US needs to do more to encourage vaccination. There is a desperate need for FDA approval and exemplary marketing to ensure that damaging social and economic restrictions do not return.