MedImmune Inc. said yesterday that a new version of its nasal-spray influenza vaccine had proved superior for young children to the standard flu shot in a large global test, a finding that could ...

Those looking to protect themselves against the flu this season now have an at-home option. FluMist, the only nasal spray flu vaccine approved by the Food and Drug Administration, is now available for ...

AstraZeneca PLC released its flu vaccine nasal spray for at-home use on Friday, an option that comes at a contentious time for vaccine access in the US. FluMist Home is the same product as the ...

As AstraZeneca charts a lucrative new path for FluMist with a self-administration nod and an at-home delivery service for the nasal spray-based influenza vaccine, the school that had a hand in the ...