Starting Friday, Americans can order the nasal spray flu vaccine online and have it shipped directly to their home.

AstraZeneca (LSE:AZN) recently launched "FluMist Home," an at-home flu vaccine delivery service, marking an important milestone for easier access to vaccinations in 34 U.S. states. This initiative likely contributed to its stock price increase of 12% last quarter,

FluMist Home is available only online. People ordering the nasal spray will need to complete a medical screening questionnaire at FluMist.com that is reviewed by a health care professional, according to the drugmaker. FluMist Home’s online pharmacy will then collect the insurance information and bill the health plan directly.