Moderna said on Monday its influenza vaccine was found to be 26.6% more effective than an approved annual flu shot from GSK in adults aged 50 years and older in a late-stage study, sending its shares up more than 2%.

The Cambridge biotech believes packaging the two immunizations together will lead to higher uptake of COVID vaccines.

A long-lasting formulation of an antiviral drug greatly reduced people’s risk of a symptomatic flu infection in a trial, and should even be effective against new strains