For the first time, many people in the United States who want to protect themselves against the flu this respiratory virus season can order a vaccine to give themselves at home.

AstraZeneca’s FluMist Home program officially launches today, sending nasal flu vaccines straight to people’s homes. FluMist is a flu vaccine that’s sprayed up your nose. It’s been FDA-approved since 2003, and studies show it works about as well as the traditional flu shot at preventing infections and reducing the risk of serious illness.