5 Things To Know On Monday, April 19, 2021 AP/NASA/AP and last updated 2021-04-19 07:06:29-04 While you were sleeping, we compiled the biggest stories of the day in one place. Each story has a quick and easy summary, so you're prepared for whatever the day brings. Just click on the links if you want to know more! Today is President Biden's deadline for all American adults to be eligible for the vaccine. Almost 130 million people 18 or older have received at least one dose of a vaccine, or 50.4% of the total adult population, the Centers for Disease Control and Prevention reported. Almost 84 million adults, or about 32.5% of the population, have been fully vaccinated.