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

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

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%.